CNN Murder in Mexico Falcon Lake January 5, 2014 02:43:00
>> reporter: on falcon lake there has been no sign of david hartley's body, his jet ski, anything that could prove his wife's story, that her husband was shot to death by mexican drug smugglers. the pea heading of one mexican detective trying to solve the crime has dealt the hartleys another blow. you feel right now there's people in mexico maybe even police in mexico who won't say what happened to david. >> uh-huh, i do. >> reporter: because they're afraid. >> yes. if you have threats against your loved one, if you don't know if they're going to come home, i mean, that's a fear that i can't i...