was made just southeast of van wert and then the purchase was made in van wert. tarp, hat, shovel and gloves. >> early the next morning, the phone was located somewhere in western michigan. >> using the phones, how close can you get him to his wife's driveway? >> pretty close. within five to seven miles. >> but by now, something else put him even closer, old-fashioned forensics. plastic tarp wrapper found outside venus's house? it was a fingerprint, turned out, doug stewart's fingerprint, placing him at the scene of venus' disappearance. prosecutors believed it was damning evidence, but to close the deal, they'd have to put on the stand the college-kid imposter, with a head-spinning tale to tell. would it be too incredible to be believed? >> coming up -- >> he said, this is where you come in. i want you to be my alibi. ricky spencer lays it all out, a plan to murder. >> it was like a game, he was a part of this game. part of this game. wassup? i'm hannibal i'm gonna use samsung pay to get a katz's deli pastrami sandwich. (katz's employees) hey!!! hey what's up? h

. >> at 5:48, this was made just southeast of van wert. and the purchases was made. >> it was now located somewhere in western michigan. >> using the phones, how close can you get him to his wife's driveway? >> pretty close. within five to seven miles. put him even closer, old-fashioned forensics. remember the smudge on the plastic tarp wrapper? it was a fingerprint, turned out, doug stewart's fingerprint, placing him at the scene of venus' disappearance. prosecutors believed it was damning evidence, but to close the case they'd have to put on the college student. would it be too incredible to believe? >> coming up. >> he said i want you to come in here. i want you to do my alibi. >> ricky spencer lays it all out. a plan to murder. >> it was like a game. he was a part of this game. >> whadda ya want hannibal? i want to pay with my phone. don't look at the cameras mike. you ready? it doesn't work. boom! oh! samsung pay is here and pretty much everywhere else. hey! this is lloyd. to prove to you that the better choice for him is aleve. he's