there with her boyfriend coming from a movie and got her head cut off. >> the comparison determined it was the same killer using the same gun a .44 caliber weapon on these homicides. therefore the police nicknamed it the .44 caliber killer. >> he struck april 17th at 3:00 in the morning, killing 18-year-old valuen tina, and her fiance, 20-year-old alexander -- as they sat in a parked car in the bay chester section of the bronx. >> we got the shooting back in the bronx. a girl named valentin that but at the scene where that shooting occurred addressed to my supervisor and called himself the son of sam. >> he talks about being possessed by a man he refers to as sam and the man he refers to to as his father if and he said his father requires blood. >> this got people's attention. i think it was the sheer randomness to it. the fact you could be doing