Hartleys First News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> 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 beheading of the one mexican detective, willing to at least try 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. >> yes. >> reporter: because they're afraid. >> yes. if you have threats against your loved ones, if you don't know if they're going to come home, i mean, that's a fear...

>> only people with jet skis are involved with dope. >> right. >> reporter: clearly nervous, colette barely slowed down as we approach the church tiffany and david hartley visited on september 30th. he turned the boat and gave us 30 seconds to take the pictures at the exact spot tiffany hartley said they had stopped. >> this is the last place they came to, the old guerrero church. they took pictures on the front step, according to tiffany hartley. and they set down this channel to head back, and it was about five minutes into their voyage when they were approached by the boats. in an instant, ...

Wandered into a drug war and were mistaken as the enemy. >> reporter: zapata county sheriff siggy gonzalez believes the hartleys not only wandered into a war but had arrived on the mexican side of falcon lake at the exact moment a cartel was about to move a large amount of marijuana. up on a bluff, the spotters, his sources told him, caught the first glimpse of a possible glitch in the drug deal. >> that area is an area that's notorious for crossing or storing of thousands of pounds of marijuana. we've known that for a long time. that information is information that i have relayed to federal o...

Reynosa, jut south of mcallen. he was a district manager for an oil company. >> it was a blessing to us and our marriage. yeah. we were -- that's where we truly grew as a couple and had adventures. >> reporter: when the hartleys first arrived here this peaceful town was a perfect place for the young couple to live, but slowly it became more and more violent. there is a war in reynosa. two drug cartels battling for turf. the zetas, a rogue band of former military, are trying to push out the gulf cartel which has smuggled drugs across the rio grande for decades. killings are constant. tiffany an...

♪ ♪ >> 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 beheading of the one mexican detective, willing to at least try 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. >> yes. >> reporter: because they're afraid. >> yes. if you have threats against your loved ones, if you don't know if they're going to come home, i mean, that'...