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,

A federal arrest warrant has been issued for Travis Caleb Decker, the man accused of kidnapping and killing his three young daughters near Leavenworth, Washington, after authorities say he fled the area and may be attempting to escape prosecution.