New clues emerge in mystery of American woman, boyfriend found dead in Canada

A woman who says she saw the couple with a man before they were found dead on the side of a highway is helping police; ABC News spoke to two other people who might've been the last to see them alive.
1:25 | 07/23/19

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Transcript for New clues emerge in mystery of American woman, boyfriend found dead in Canada
We algts have new reporting at this hour in the murder of an American woman and her boyfriend found dead on a road trip in Canada. A news conference just a short time ago, and police now revealing the cause of death and a sketch of a person they want to talk to. And this all comes amid a second mystery now emerging, as well. Here's ABC's chief national correspondent Matt Gutman tonight. Reporter: Canadian police now revealing the murder of that young couple along a remote highway and a third mysterious death could be connected. It's unusual to have two major investigations undergoing of this nature in northern B.C. At the same time, and so we recognize the possibility that these could be links. Reporter: This as new details emerging about the pair of young adventurers. American chynna Deese and her boyfriend Lucas fowler driving through British Columbia. Road worker Travis Pierre found the bodies. I dont know how anyone could live with themselves after doing what I saw. Reporter: Tonight, police releasing this sketch of a bearded man they saw was seen talking to the couple. That sketch similar to a second sketch, another unidentified bearded man, this man found dead Friday in northern British Columbia. That man found about a mile from the burning camper of two teens believed to be missing. It's the height of tourism season in British Columbia, David, and Canadian police seemed concerned, urging came persons to say vigilant and establish check-in times with their families.

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