On February 21, 1985, Sisters Christina and Mary Caldwell, aged 58 and 71, were found dead in their home. They each were stabbed dozens of times. On March 17, 1985, Ramirez attacked 22-year-old Angela Barrios outside her home. He shot her before entering her house. Inside was Dayle Okazaki, age 34, who Ramirez immediately shot and killed. Within an hour of killing Okazaki, Ramirez again attacked 30-year-old Tsai-Lian Yu, he pulled her out of her car onto the road. He shot her several times and fled. The two attacks occurring on the same day sparked media attention, and caused panic and fear among the public. On March 27, Ramirez shot Vincent Zazzara, age 64, and his wife Maxine, age 44. Mrs. Zazzara 's body was mutilated with several stab wounds. Bullets found at the scene were matched to those found at previous attacks, and the police realized a serial killer was on the loose.
Two months after killing the Zazarra couple, Ramirez attacked a Chinese couple: Harold Wu, age 66, who was shot in the head, and his wife, Jean Wu, age 63, who was punched, bound, and then violently raped. On May 29, 1985, Ramirez attacked Malvial Keller, 83, and her disabled sister, Blanche Wolfe, 80, beating each with a hammer. Ramirez attempted to rape Keller, but failed. The next day, Ruth Wilson, 41, was bound, raped, and
References: The Night Stalker by Philip Carlo pg.191 ch.20 "I 'M YOUR NIGHT PROWLER: Interview with Richard Ramirez" (Interview). FEAST OF HATE AND FEAR. Issue 6: FEAST OF HATE AND FEAR. 1996. http://listography.com/showder/serial_killers./the_victims_of_richard_ram%C3%ADrez Charles Montaldo. "The End of the Night Stalker - Richard Ramirez" (Article). About.com. The New York Times Company. http://www.crimeandinvestigation.co.uk/crime-files/richard-ramirez-the-night-stalker/crime.html