. >> christine freund, soon to be married, is dead today.976, they transferred me to queens homicide. the first victim i came across was a woman named christine freund, who was sitting there with her boyfriend coming from a movie and got her head blown off. >> this was a series of random shootings, and the ballistic comparison determined indeed 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 valentina suriani, and her fiance, 20-year-old alexander esau as they sat in a parked car in the baychester section of the bronx. >> we got the shooting back in the bronx. a girl named valentina suriani. but at that scene where that shooting occurred left a note addressed to my supervisor and he 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. and he says that his father requires blood. >> this got people's