hard evidence that martin killed michele. almost two years went by. martin and gypsy still carrying on in plain sight. but then, in january 2009 - suddenly they're both arrested. >> yes. >> yeah. >> but not for what people might have thought. >> oh, no. >> coming up - two lovers cook up a secret crime. >> he stole giselle's identity? >> for gypsy. >> when dateline continues. s. it becomes a step. mom, dad's flexing again. that's not all. you can extend the bed for longer stuff. is he still... still flexing. that's right! and, it becomes a workspace... you can put your laptop here. i'm sending an imaginay email. hey dad, dinner! hey! look who stopped by daddy's office. wait, you work here? the chevy silverado with the available multi-flex tailgate. find new flexibility. find new roads. chevrolet.