Travis Decker's search history contained a lot of questions about moving to Canada just before his daughters went missing ... according to the U.S. Marshals Service. In a new affidavit filed earlier this week,

The search for Travis Decker has intensified as more than 100 officers, agents, and deputies continue to hunt for the ex-Army man accused of killing his three young daughters last week.The Chelan County Sheriff's Office reported that over 500 tips from the public have helped narrow the focus of the joint operation.