Photos of the Day: Photos of the day 05/01
In Pictures: Goodbye UK! Scotland's bid for independence
Photos of the Day: Photos of the day 04/30
In Pictures: The kings and queens of modern monarchies
Photos of the Day: Photos of the Day 04/29
Photos of the Day: Photos of the Day 04/28
Photos of the Day: Photos of the day 04/27
Photos of the Day: Photos of the day 04/26
Lt. Mike Murphy of the Newton, Mass., Fire Department, carries an American flag down the middle of Boston's Boylston Street on April 22 after observing a moment of silence to honor victims of the Boston Marathon bombings a week earlier. Robert F. Bukaty/AP
Mourners watch as the casket containing the body of Massachusetts Institute of Technology (MIT) police officer Sean Collier is carried into St. Patrick's Church for his funeral in Stoneham, Mass., April 23. Officer Collier allegedly was killed by the brothers accused of the Boston Marathon bombings. Brian Snyder/Reuters
Richard Donohue Jr., (l.) and Sean Collier pose for a photo at their graduation from the Municipal Police Officers' Academy in 2010. On April 18 MIT police officer Collier was fatally shot on the MIT campus and transit police officer Donohue was shot and critically wounded. Authorities allege that the Boston Marathon bombing suspects were responsible. MBTA/AP
Boston Police Commissioner Edward Davis, (from l. to r.) Boston Mayor Thomas Menino, US Attorney Carmen Ortiz, and Special Agent in Charge of the FBI's Boston Field Office Richard DesLauriers salute the flag during a ceremony at the blast site near the Boston Marathon finish line April 22. Federal investigators formally released the bombing crime scene to the city in a brief ceremony. Robert F. Bukaty/AP
A monk prays at a memorial for the victims of the bombings in Boston at 2:50 p.m. on April 22, exactly one week after the tragedy. Robert F. Bukaty/AP
A running shoe with a sign that says 'No more killing people.... Peace' hangs on a police barricade in Boston on April 22 in remembrance of those killed and injured in the tragedy. Melanie Stetson Freeman/Staff
Members of the Boston Fire Department stand outside their firehouse as Bostonians observe a moment of silence on April 22. Melanie Stetson Freeman/Staff
Employees of the New York Stock Exchange observe a moment of silence on the floor of the exchange in New York April 22, a week after bombs exploded near the finish line of the Boston Marathon. Ben Hider/NYSE Euronext/AP
Runners participate in a three-mile run through the streets of Paris to show support for the city of Boston April 22. Thibault Camus/AP
Nurse practitioner Maureen Quaranto, a first-year marathon volunteer who worked in Tent A during the explosions at the Boston Marathon, attends Mass at the Cathedral of the Holy Cross in Boston on Sunday April 21. Faith Ninivaggi/Boston Herald/AP
Runners observe a moment of silence before the start of the London Marathon in Greenwich, southeast London, April 21. Undaunted by the Boston Marathon bombings, big crowds lined the route of the London Marathon to cheer on some 36,000 runners who paid their respects to the Boston victims by wearing black ribbons. Luke MacGregor/Reuters
Volunteers in bright yellow get ready for the London Marathon in the Mall in London on April 21. Security was stepped up in London following the bombing at the Boston Marathon. Alastair Grant/AP
Pedro Ciriaco of the Boston Red Sox wears a 'B strong' patch during a baseball game between the Sox and the Kansas City Royals in Boston April 20. The Red Sox 'home' white uniforms, which usually read 'Red Sox,' were replaced with those reading 'Boston' for the game. Michael Dwyer/AP
The Boston Red Sox stand during a tribute to Boston Marathon bombing victims, including Chinese student Lingzi Lu, before a baseball game against the Kansas City Royals in Boston April 20. Michael Dwyer/AP
Neil Diamond sings 'Sweet Caroline' in the eighth inning of a baseball game between the Boston Red Sox and the Kansas City Royals in Boston April 20. Playing at home for the first time since the two marathon explosions, the Red Sox honored the victims and the survivors. Michael Dwyer/AP
On April 20, investigators work near the location where a suspect in the bombings was arrested in Watertown, Mass. Matt Rourke/AP
An aerial infrared image shows the outline of Dzhokhar Tsarnaev in a boat during the manhunt in Watertown, Mass. on April 19. A telephone call from a resident led police to the boat where the suspect was hiding. Massachusetts State Police/Reuters
Hundreds of Northeastern University students gather in Hemenway Street to celebrate the capture of suspected Boston Marathon bomber Dzhokhar Tsarnaev in Boston April 19. As news spread that police had captured Tsarnaev, the second man suspected of setting off two bombs, the streets of Boston and Watertown erupted into thunderous applause and cheers. Scott Eisen/Reuters
A police officer reacts to news of the arrest of one of the Boston Marathon bombing suspects, April 19, in Boston. Boston Marathon bombing suspect Dzhokhar Tsarnaev was captured in Watertown, Mass. The 19-year-old college student wanted in the bombings was taken into custody Friday evening after a manhunt that left the city virtually paralyzed and his older brother and accomplice dead. Julio Cortez/AP
A police officer gives a thumbs up to another in Watertown, Mass. Friday, after the manhunt for the second of two suspects in the Boston Marathon bombing was captured. Craig Ruttle/AP
This still frame from video shows Boston Marathon bombing suspect Dzhokhar Tsarnaev visible through an ambulance after he was captured in Watertown, Mass., Friday. Robert Ray/AP
Police officers guard the entrance to Franklin street where there was an active crime scene search for the suspect in the Boston Marathon bombings, Friday, in Watertown, Mass. Gunfire erupted Friday night amid the manhunt for the surviving suspect in the Boston Marathon bombing, and police in armored vehicles and tactical gear rushed into the Watertown neighborhood in a possible break in the case. Matt Rourke/AP
Mimi de Quesada, of Watertown, Mass., reacts while standing by her home in the wake of the sound of shots fired in Watertown, Mass., April 19, as a massive search continued for one of two suspects in the Boston Marathon bombings. De Quesada said she had just come out to enjoy the day when the shots rang out about two blocks form her home. A second suspect died in the early morning hours after an encounter with law enforcement. Craig Ruttle/AP
A woman carries a girl from their home as a SWAT team searching for a suspect in the Boston Marathon bombings enters the building in Watertown, Mass., Friday. Two suspects in the Boston Marathon bombing killed an MIT police officer, injured a transit officer in a firefight and threw explosive devices at police during their getaway attempt in a long night of violence that left one of them dead and another still at large Friday, authorities said as the manhunt intensified for a young man described as a dangerous terrorist. Charles Krupa/AP
Police officers search homes for the Boston Marathon bombing suspects in Watertown, Mass., April 19. One suspect died during a shootout overnight, and law enforcement mounted a house-to-house search for a second man in the Boston suburb of Watertown. Jessica Rinaldi/Reuters
Police and federal officers drive through a neighborhood while searching for a suspect in the Boston Marathon bombings in Watertown, Mass., April 19. Charles Krupa/AP
A woman looks out a window at her home as police start to search an apartment building while looking for a suspect in the Boston Marathon bombings in Watertown, Mass., April 19. Two suspects in the Boston Marathon bombing killed an MIT police officer, injured a transit officer in a firefight and threw explosive devices at police during their getaway attempt in a long night of violence that left one of them dead and another still at large Friday, authorities said as the manhunt intensified for a young man described as a dangerous terrorist. Charles Krupa/AP
Massachusetts Institute of Technology Police Officer Sean Collier, 26, of Somerville, Mass. was shot to death April 18 on the school's campus in Cambridge, Mass. Authorities said surveillance tape recorded late Thursday showed one of the bombing suspects at a nearby convenience store before Collier was shot to death while responding to a report of a disturbance. Middlesex District Attorney's Office/AP
A man who was dubbed Suspect No. 2 in the Boston Marathon bombings by law enforcement, in the upper center of the frame, wearing a white baseball cap, walking away from the scene of the explosions on Monday April 15. The FBI identified him as 19-year-old college student Dzhokhar Tsarnaev, who along with his brother Tamerlan, 26, previously known as Suspect No. 1, killed an MIT police officer, severely wounded another lawman and hurled explosives at police in a car chase and gun battle during a night of violence, early Friday. David Green/AP
Tamerlan Tsarnaev, 26 (l.) and Dzhokhar Tsarnaev, 19. The FBI says the two brothers, suspects in the Boston Marathon bombing, killed an MIT police officer, injured a transit officer in a firefight, and threw explosive devices at police during a getaway attempt in a long night of violence that left Tamerlan dead and Dzhokhar captured on Friday. The Lowell Sun & Robin Young/AP
Anti-Syrian regime protesters carry a banner expressing condolences to the victims of the Boston Marathon bombing during a demonstration at Kafr Nabil town in Idlib Province, northern Syria, April 19. Edlib News Network ENN/AP
Boston Bruins starters, including defenseman Dennis Seidenberg (44), stand next to a ribbon projected onto the ice at TD Garden in Boston April 17 during a ceremony before an NHL hockey game against the Buffalo Sabres in the aftermath of the Boston Marathon bombings. Elise Amendola/AP
This photo released by the FBI April 19, shows what the FBI is calling the suspects together, walking through the crowd in Boston on Monday, April 15, before the explosions. FBI/AP
Alex Shoob (l.) of Modesto, and others bow their heads in a moment of silence and prayer for the victims killed in the 2013 Boston Marathon. Runners gather for the Remember Boston Memorial Run organized by Emilie Rotan on Thursday evening April 18, at East La Loma Park in Modesto, California. Shoob ran the Boston Marathon on Monday. The Modesto Bee Ed Crisostomo/AP
This combination of undated file photos provided to the Associated Press shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student. Richard, Campbell and Lu were killed in the explosions at the finish line of the Boston Marathon Monday, April 15, in Boston. AP
People queue for a security check outside the Cathedral of the Holy Cross in Boston on April 18, 2013, ahead of President Obama's appearance at an interfaith service for the victims of the Boston Marathon bombings. Authorities are seeking two men, seen on video before the blasts struck on Monday, for questioning. Jessica Rinaldi/Reuters
President Obama speaks during an interfaith healing service at the Cathedral of the Holy Cross in Boston on April 18, 2013. The service honored victims of the Boston Marathon bombing three days earlier. Kevin Lamarque/Reuters
Boston area resident Mike Vitale prays beside flowers and remembrances for victims of the Boston Marathon bombing at a roadblock on Boylston Street, April 16, 2013, one day after two bombs exploded near the marathon's finish line. Three people were killed and more than 150 were injured. Photo by Melanie Stetson Freeman/Staff
Two days after the bombing at the finish line of the Boston Marathon, a man in a hazmat suit works near the scene of the crime on Boylston Street. Melanie Stetson Freeman/Staff
Boston police officers remove a roadblock and bring flowers from another location to a new roadblock on Boylston Street, closer to the site of the Boston Marathon bombings, on April 17, 2013. Melanie Stetson Freeman/Staff
FBI officials look for evidence at the site of the Boston Marathon bombings on Boylston Street, on April 17, 2013. Two bombs exploded near the finish line, killing three people and injuring more than 150. Melanie Stetson Freeman/Staff
A makeshift memorial on Boylston Street in Boston, at a roadblock near the site of the Boston Marathon bombings, was still expanding as of April 17, 2013, two days after the incident. People were leaving flowers and signs and lighting candles. Melanie Stetson Freeman/Staff
Reginald Bohannon runs along Atlanta's Peachtree Street in an organized moment of silence and memorial run to show solidarity with victims of the Boston Marathon bombings, April 16. David Goldman/AP
Members of the National Guard deploy to protect the streets around a cordoned-off area in Boston, April 16. Melanie Stetson Freeman/Staff
This image from a Federal Bureau of Investigation and Department of Homeland Security shows the remains of a pressure cooker that the FBI says was part of one of the bombs that exploded during the Boston Marathon. The FBI says it has evidence that indicates one of the bombs was contained in a pressure cooker with nails and ball bearings, and it was hidden in a backpack. FBI/AP
Boston Marathon qualifying runner Bobbi Snodgrass, of Iowa, leaves the Arlington Street Unitarian Universalist Church in Boston on her way to the Boston Public Garden during a candlelight vigil on April 16, 2013. Ms. Snodgrass passed the finish line, missing the first explosion by three seconds. Ann Hermes/Staff
Mourners of the victims of the Boston Marathon explosion gather, light candles, and sing in the Boston Public Garden during a candlelight vigil held by the Arlington Street Unitarian Universalist Church on April 16, 2013. Ann Hermes/Staff
Police officers keep an eye on commuters in the subway in New York, April 16. Police, armed with rifles and extra patrol cars, were stationed around the city as New York remained in a heightened state of alert after the previous day's Boston Marathon bombing. Seth Wenig/AP
Jonathan Ralton (l.) of Boston sings during a Eucharist and Vigil for a Day of Violence at The Cathedral Church of St. Paul near Boston Common on April 16. The day before, Mr. Ralton was volunteering at the Boston Marathon about a block away from the blasts. Ann Hermes/Staff
College students (l. to r.) Emma MacDonald, Rachael Semplice, and Juliana Hudson attend an impromptu vigil April 16, on Boston Common for victims of the marathon bombing. The vigil drew hundreds of people who listened to a chorus sing hymns and patriotic songs. Melanie Stetson Freeman/Staff
Runners hug one another as they wait to pick up their belongings and medals on the day after the Boston Marathon. Two bombs shattered the April 15 event, which marked the 117th running of the marathon. Melanie Stetson Freeman/Staff
From left, New York Yankees relief pitcher Joba Chamberlain, starting pitchers Hiroki Kuroda, Phil Hughes, CC Sabathia and Andy Pettitte bow their heads during a moment of silence in honor of victims of the Boston Marathon explosions before a baseball game against the Arizona Diamondbacks at Yankee Stadium in New York, April 16, 2013. In big ways and small, New York is putting aside its heated and historical rivalry with Boston in a show of support after the Boston Marathon explosions Kathy Willens/AP
People sign a banner that says, 'Boston, you're our home,' during an impromptu vigil April 16, on Boston Common for victims of the marathon bombing. Hundreds came to the vigil. Melanie Stetson Freeman/Staff
Flags in front of the John Hancock tower and the Fairmont Copley Hotel in Boston fly at half mast on April 16. Melanie Stetson Freeman/Staff
With Big Ben as its backdrop, a warning sign for road closures during the forthcoming London Marathon is posted along the race route in London, April 16, 2013. British police are reviewing security plans for the April 20 London Marathon, the next major international marathon, because of the bombs that killed three people at the marathon in Boston. Sang Tan/AP
Jacqueline Myers (r.) and her 10-year-old daughter Amira walk away after leaving a teddy bear on the doorstep of Martin Richard's home in the Dorchester neighborhood in Boston, April 16. Amira was a schoolmate of Martin's. He was killed in one of two explosions that struck the Boston Marathon the day before. Brian Snyder/Reuters
Patty Campbell (c.), flanked by her brother, John Reilly, and son, Billy, makes a statement to reporters outside her home in Medford, Mass., April 16, 2013. Ms. Campbell's daughter, Krystle Campbell, was killed in Monday's bombings at the finish line of the Boston Marathon. Michael Dwyer/AP
Boston Marathon runner Kathy Shirley is overcome with emotion as she sits on the stairs with Iraq and Afghanistan war veteran Michael L., inside the Prudential Center, near where two bombs exploded April 15. Ms. Shirley was about 1/2-mile from the finish line when the blasts caused officials to end the race. She came from San Diego to run the marathon for the third time. Her boyfriend, who was waiting at the finish, was not hurt. Melanie Stetson Freeman/Staff
An unidentified Boston Marathon runner leaves the course crying near Copley Square following an explosion in Boston, April 15, 2013. Winslow Townson/AP
Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line of the Boston Marathon in Boston, April 15, 2013. Iffrig, of Lake Stevens, Wash., was running his third Boston Marathon and near the finish line when he was knocked down by one of two bomb blasts. John Tlumacki/The Boston Globe/AP
People react as an explosion goes off near the finish line of the 2013 Boston Marathon on April 15. Two blasts went off in the vicinity, sending authorities out on the course to carry off the injured while the stragglers were rerouted from the site. David L Ryan/The Boston Globe/AP
A runner gets a high-five from the crowd of Wellesley College students lining the course during the 117th running of the Boston Marathon in Wellesley, Mass., April 15, 2013. Michael Dwyer/AP
Photos of the Day: Photos of the day 05/01
In Pictures: Goodbye UK! Scotland's bid for independence
Photos of the Day: Photos of the day 04/30
In Pictures: The kings and queens of modern monarchies
Photos of the Day: Photos of the Day 04/29
Photos of the Day: Photos of the Day 04/28
Photos of the Day: Photos of the day 04/27
Photos of the Day: Photos of the day 04/26
Three of Boston bombing suspect Dzhokhar Tsarnaev's friends were arrested Wednesday and charged with covering up for him. Two told authorities they heard Tsarnaev brag about his bombmaking ability.
Three men have been charged with impeding a federal investigation of the Boston Marathon bombings in allegations that would seem to blend criminality with teenage stupidity.
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