sentences:  On September 14, 1993, Djerf went on a seven-hour frenzy of violence, experimenting with various methods of killing before he resorted to shooting and stabbing to death four members of a former friend's family.The murders, he would later brag to others, were in retaliation for the former friend allegedly stealing several electronic items and a firearm from Djerf's apartment.Djerf admitted to killing Albert Luna Sr., 46; his wife, Patricia, 40; and their two children, 17-year-old Rochelle, whom he also raped; and 5-year-old Damien.