>> a little bit of science, a little bit of art. >> luckily for investigators, if the fire had burned just a little longer, it wouldn't have been possible to get this image. >> another 15 minutes of fire, and it would have been a very different case. >> the image was released to media outlets throughout the region. three days after the crime, a woman from harrisburg, pennsylvania called saying the drawing resembled her boyfriend, 26 year old wesley person. >> she commented that the composite did not depict an earring that was in his left ear. that was a feature i intentionally left out of the composite. >> investigators were already familiar with wesley person. >> i dealt with wesley person about six years before this. i was the prosecutor of wesley for a drug trafficking case. >> person's prints were on file from that arrest and were compared to partial prints that survived the fire. >> most of his fingers had been burned away, with the exception of two his fingers that were partially protected by the garment that had been pulled over his body and used to bind