. >> evans led police to andre edwards, the man he claimed left the car in front of his house. inside, police found edwards, along with several others. >> there were four other people taken into custody besides timothy evans. they had no idea what this black male may have looked like. so they took everybody in, trying to sort things out. found on elizabeth pitman was a cellular phone and some jewelry which was later identified as belonging to gyp injure hayes. >> police asked the only eyewitness to the crime, the mailman, to pick the perpetrator from a lineup. he chose 31 year old andre edwards, a known crack addict and career criminal with more than 40 arrests. >> he immediately picked him out and said that's the guy i saw push the young lady into the car and take off. >> but edwards denied any involvement. >> if you tell us where jen injure and nicolas is now they could still be alive and you won't be in as much trouble as you are in. he said i don't know anything you're talking about. >> i mean, they were racing against time. and it's rare that you find were your suspect befo

they knew it was andre evans, guilty. >>> up next, a young boy witnesses a terrible crime. the chief suspect, virtually turns himself in. >> he appeared exactly like the composite sketch. >> we have him with no alibi. >> but forensic tests failed to tie him to the crime. >> i couldn't believe they were going to let him walk to possibly do this to somebody else. >> could forensics provide the answer? >> the laurel village mobile home park was home to 32 year old kay robinson, a single mother living with her 11 year old son. >> laurel is a farming town and regular working class person lives there. >> one night, around 2:00 in the morning, kay was awakened by someone banging on her front door. >> she went to the door, looks out the window and sees this stranger out there. he said they wanted to use the telephone. said their name was jack wilson. they needed a ride. could they use the telephone. >> kay refused to let wilson inside. >> kay robinson called 911 and the delaware state police did respond but didn't see anything out of the ordinary, so they cleared the scene without