Mass murders in Arizona history.
Aug. 9, 1991 - Buddhist Temple massacre. Waddell, near Luke Air Force Base. Nine dead. Jonathan Doody - serving nine life terms. Click here for more.
Jan. 8, 2011 - Gabrielle Giffords assassination attempt. Pima County. Six dead, 13 injured. Jared Lee Loughner - serving life. Click here for more.
Feb. 23, 2016 - Five dead. Phoenix. Phoenix police say Alex Buckner, 26, killed his father, his mother, his 18-year-old sister, and his 6-year-old sister. Police shot Buckner when he pointed a gun at officers. Investigation ongoing. Click here for more.
Oct. 18, 2015 - Murder-suicide. Tempe. Tempe police say Glenn Edward Baxter deliberately drove his SUV into Tempe Town Lake, killing his estranged wife and their three children, ages 3, 2 and 1. Click here for more.
May 12, 2015: Murder-suicide. Tucson. Five dead. Christopher Carrillo shot four of his family members, himself. Click here for more.
April 16, 2015 - Murder-suicide. North Phoenix. Five dead. 50-year old Driss Diaeddinn killed his two brothers, his mother, his sister-in-law, himself. Click here for more.
May 2, 2012 - Murder-suicide. Gilbert. Five dead. Neo-Nazi J.T. Ready killed his girlfriend, her daughter and granddaughter, and daughter's fiance, himself. Click here for more.
Nov. 13, 1966 - Rose-Mar College of Beauty shooting. Mesa. Five dead. Four women and 3-year-old girl. Robert Benjamin Smith - serving life.
Feb. 21, 2018 - Triple homicide. Four dead, including suspect. As of Feb. 22, 2018, police are still investigating whether the suspect shot himself or was shot by police. Click here for more.
Nov. 10, 2017 - Murder-suicide. Scottsdale. Four dead. Jason Fairbanks shot his wife, Anne Fairbanks, their 3-year-old daughter and 9-month-old son. Click here for more.
Oct. 5, 2017 - Four dead in Casa Grande. Justin Allen Yates, Jose Martin Aguilera, Connie Carrera, and Crysta Proctor killed in what police called a domestic violence incident. Two suspects were charged with four counts of murder each. As of Nov. 10, 2017, the case had not gone to trial.
Nov. 9, 2003 - Murder-suicide. Tucson. Four dead. Michael Breaux killed his wife and two children, himself.
Oct. 28, 2002 - Murder-suicide. University of Arizona nursing school shooting. Tucson. Robert Flores killed three female professors, himself. Click here for more.