. >> james biela., physical description. >> you look at his drivers license photo and -- >> the eerie part when i obtain that photograph, and our initial sketch that we had from the forensic sketch artist, it was eerily similar. >> it seemed an interesting lead. wygnanski drove straight to biela's house. no one was home, so he left his card. >> i wrote on the back of my business card, which obviously identifies me as a robbery homicide detective, please call me at your convenience. >> about 45 minutes later, biela called wygnanski. he sounded a little uncomfortable but who wouldn't be. >> you have a detective that leaves a card on your door you expect these people to be nervous. >> the detective told biela he would like to talk to him about an investigation. biela agreed to meet wygnanski after work the next day. >> i hung the phone up and i just sat back down and my wife looked at me and said what's wrong, and i said the guy never asked me what i was investigating. >> with an investigation card that s