The BAU heads to St. Louis, Missouri where ten year old Andrew Taffert has gone missing. The reason it is a BAU case is that the Tafferts – father Malcolm Taffert and mother Lida Taffert – had been receiving prank calls from someone with a childlike voice stating “I’m gonna get you”, and that blood was splattered on their front door after Andy had gone missing. Reid notices that this case is much like a fifteen year old cold case that the BAU worked on where the parents in that situation received such prank calls prior to their son being abducted and eventually found …
Watch It Here : Criminal Minds Season 9 Episode 10