It was a dramatic moment at a press conference when the boyfriend of a missing pregnant woman choked up while pleading for her safe return. He even held hands with his girlfriend's mom and got an encouraging pat on the back from her dad. What the public didn't know was that Tyler Tessier was already a suspect in the disappearance of Laura Wallen. Cops were hoping he would say something incriminating in public. Laura's parents, Mark and Gwen, were in on the plan.