Ryan Giroux , 41 , is held on a lengthy list of charges including several counts of aggravated assault and burglary , as well as one count of murder . The suspect was identified by police as Michael J. DeJesus, 32, who lives in the same apartment complex where he allegedly shot his wife to death before stealing her car. While fleeing the scene , he shot and carjacked an area culinary student , before shooting two others in apartment complexes . In earlier mugshots , Giroux bears tattoos signaling membership in white supremacist groups and was known to be connected to Hammerskin Nation . Giroux has a history of methamphetamine use and admitted he becomes violent when intoxicated or under the influence .
Ryan Giroux , 41 , is held on a lengthy list of charges including several counts of aggravated assault and burglary , as well as one count of murder . The string of shootings began in a Mesa motel , though detectives are uncertain about why Giroux opened fire . While fleeing the scene , he shot and carjacked an area culinary student , before shooting two others in apartment complexes . In earlier mugshots , Giroux bears tattoos signaling membership in white supremacist groups and was known to be connected to Hammerskin Nation . Giroux has a history of methamphetamine use and admitted he becomes violent when intoxicated or under the influence .