Bangladesh, Nov. 11 -- A U.S. citizen who lost his wife and two of his sons when they were ambushed by gunmen in Mexico said his life has been upended and he's leaving the country with the rest of his family, ABC News reported.

David Langford told ABC's "World News Tonight" Sunday that "my whole life has turned upside down. Not only have I lost a wife and two children, but I'm having to move the rest of my family with really no place to go at this point."

Langford's wife, Dawna, and two of his sons, Trevor Langford, 11, and Rogan Langford, 2, were among the nine women and children killed in the ambush Monday in the Mexican state of Sonora. Authorities suspect Mexican drug cartel hit men carried out the attack.

The attack occurred as th...