>> all right, bud, that's all. i'll see you around 7:30, bud. >> okay, bye. >> less than two hours later, frank, wearing the same hidden camera that the detective used to catch him, walked in to the restaurant to meet fred schockner. >> i set him up with the camera and the audio. and we got a table, a couple tables away, the three of us, to make sure that he didn't run. >> so you had your eyeballs on him. >> yeah, and we wanted to see everybody's reaction and we had, of course, the audio. we had a surveillance team outside listening to everything. coming up -- one problem. 7:30 came and went. minutes ticked past. no fred. >> he was already really paranoid about being set up. >> would he show? and what if he didn't? when dl "dl "dateline" continues. l "dateline" continues.