Travis Decker is accused of killing his three daughters and may be fleeing to Canada after researching relocation online before the tragedy.

The Chelan County Sheriff's Office said in a statement that there were more than 100 officers involved in the search.

Federal court documents show Travis Decker searched for jobs and how to relocate to Canada days before his three daughters were murdered.

Travis Decker, who remains the subject of a manhunt, has been charged with three counts of first-degree murder and one count ...