After a violent week of killings in Mexico, Tiffany Hartley, the wife of a slain American, refuses to travel across the border to file a complaint. However, Americans continue to disregard travel warnings.
The beheading of a Mexican detective investigating the shooting of American David Hartley on Falcon Lake raises the stakes for both the US and Mexico. The Hartley probe appeared to be narrowing to two alleged members of the Zeta cartel.
An eyewitness corroborated part of Tiffany Hartley's story about a Mexican 'pirate' attack that killed her husband, David Hartley, on Falcon Lake last week. But not all doubts have been erased.