Diego Hernandez, a 22-year-old Canadian martial arts instructor, was last seen in Puerto Vallarta, Mexico, on May 8, 2013. Since then, Diego’s mother, Melissa Canez, has never stopped searching, and asking questions of Mexican authorities.

On May 8, 2013, Diego Hernandez disappeared without a trace. The disappearances had all the earmarks of an abduction, except for one thing: after nearly six months, there has been no ransom demand.

16x9 Producer Claude Adams talks about the challenges he and his team faced while in Mexico working on the story of 22-year-old Canadian, Diego Hernandez, and his American friend, Craig Silva who disappeared in Puerto Vallarta.