Simba, Timon, and Pumbaa share a laugh in a scene from 'The Lion King' in 1994. Walt Disney Productions/File
A poster for the 1994 Spanish version 'El Rey Lion' (The Lion King). Walt Disney Productions/File
Simba and Rafiki (r.) are shown in a scene from the 1994 film 'The Lion King.' Walt Disney Productions/File
Elton John at the London premiere of 'The Lion King.' Zuma Press/Newscom/File
Prince Charles meeting 'The Lion King' actor Roger Wright at a charity preview of the musical 'The Lion King' in aid of The Prince's Trust at the Lyceum Theatre, London, in 1999. Roger Wright plays the role of Simba. Gavin Kent/Newscom/File
Whoopi Goldberg, in costume as Rafiki, joins the cast of the Broadway musical 'The Lion King' taped for 'The View,' held at the Minskoff Theatre in New York, on Jan. 14, 2010. Wenn.com/Newscom/File
The character's Mufasa, Sarabi and Simba, from the Disney hit 'The Lion King,' danced across the ice when Disney On Ice Worlds Of Fantasy opened in San Diego, Calif., on Jan. 27, 2010, at the San Diego Sports Arena. Zuma Press/Newscom/File
Walt Disney Studios Home Entertainment released 'The Lion King' on Blu-ray 3D in 2011. Business Wire/File
Dancers perform during a media preview of 'The Lion King' musical performance in Singapore on March 9, 2011. Roslan Rahman/AFP/File
Character's from Disney's animated feature 'The Lion King' dance along Main Street in Anaheim, Calif. on May 26, 2011, during a sneak preview performance of Disneyland's summer parade. Zuma Press/Newscom/File
Talk show co-host Kelly Ripa poses at a special screening of 'The Lion King' 3D, on Sept. 10, 2011 in New York. Dave Allocca/StarPix/AP/File
In this Sept. 17, 2011 photo, guests gather outside before a Time Warner Cable and Disney screening of 'The Lion King' 3D at The El Capitan Theatre, in Los Angeles. Casey Rodgers/Time Warner Cable/AP
Estimates of the number of disappeared people in Mexico during a decade of drug and gang violence rival numbers from Argentina's Dirty War and Colombia's armed conflict. New laws protecting victim's rights require the government to establish a national registry of those who have disappeared.
ByEmily Pickrell, Contributor
One of the startling unknowns in the story of Mexico’s recent wave of violence is just how many people can be counted among its disappeared.