until the day in late 2007 when anna met reporter frank peebles at a downtown cafe. >> there's no onehe room at the time. we were talking quietly. after about an hour of conversation, she finally just shook her head and said, i'm very sure that it was dad. and the wrench in her eyes when that came out was something i -- i don't think i can ever forget. >> by then, the rcmp's lead investigator, robert burret of the unsolved homicide unit in vancouver, was in charge of the case. one of 800 unsolved cases on the unit's books. >> upon our review, we came to the same conclusion as judy did, that denis ratte was the suspect in his wife's disappearance. >> there wasn't quite enough to charge him. >> yes. and we decided an undercover operation may be the best to move this forward. >> an undercover operation? >> yes. >> the undercover operation the unsolved homicide squad came up with was so elaborate and ambitious, it might seem, frankly, unbelievable. they created from scratch a fake criminal organization complete with detectives posing as crooks. the goal -- to lure denis ratte into their m