the body was disposed of. there is no body. this is the international boundary. yeah. reporter: in his office in texas, county sheriff siggy gonzalez knows for a fact that david hartley will never be returned to the united states for burial. do you know how? yes. four different sources with different agencies have come forward and told us how they disposed of the body. reporter: those sources say the body of david hartley was placed in a barrel and burned. in colorado where she now lives, tiffany hartley refuses to believe her husband s body will never be returned. it s passed my mind, but i m not willing to accept it in my heart. i know my god and he s bigger than any one and any thing, and he wants justice just as much. reporter: the cold reality,
approach them and stop them because it s a war over there. two cartels fighting each other for control and they don t stop. colette agreed to take us eat miles into mexico into what he describe as drug war to show us just how safe it really was. but before he even passed the channel marker dividing the u.s. and mexican border, speedy made us promise not to raise our camera, not to raise any suspicion and told us there s no doubt how jet skiers would look following this same path, like drug smugglers. 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 230 30th. he turned the boat and gave us 30 seconds to take the pictures at the exact spot tiffany hartley said he stopped.
this is the boat ramp. this is the area where she where she came to seek help. reporter: sheriff siggy gonzalez now trying to investigate a crime in another country was fending off calls from reporters asking if the hartleys themselves were drug runners or if david hartley was working with the cartel. speculation began to swirl that tiffany hartley kill her husband for insurance money, or even that tiffany hartley was seeing another man. people still have a hard time believing you. does that hurt you? some days. other days they don t have room to judge. i mean, they don t know me. they don t know my husband. they weren t there that day. so really they have no room to judge me. reporter: with television and
unemotional. that, too, in the eyes of many has made tiffany hartley suspect. people don t see me at night when i go to bed. they don t see me in the mornings when i m waking up. reporter: what would they see? every night i miss my husband. and i i miss laying next to him and kissing him good night. reporter: and for tiffany hartley, those are the kinds of memories that will last. far beyond the questions and speculation that have followed her since that fateful day on falcon lake. i want my why to be answered, and i know i m never going to know why until the day going to know why until the day i can ask god. captions by vitac www.vitac.com
no, i do believe that they believe my story. i mean, they we had people from the state and then also federal. so everyone has come together to get my statement and that s why it s taken so long. just so everybody has the statement. everybody can t say that they don t have it. reporter: and while texas authorities mounted an intensive search for any evidence that could back up her story, tiffany hartley s behavior, detached, showing little emotion, ramped up gossip and suspicion that somehow she was not telling the truth. i think that there has been a lot of suspicions based on some of her behaviors and interviews she did shortly after the murder of her husband, which raised doubt in people s mind. reporter: fred burton s firm provides security information for companies worldwide, including information on drug cartels operating along the u.s.-mexican border. anybody that s an outsider that goes into that area is viewed as either working for another cartel or a possible infor