Police have released the name of the 54-year-old Tucson man they say intentionally "fire bombed" three homes and shot a neighbor before shooting himself on Thursday. 

Shortly after 5:30 p.m. on Thursday, officers were dispatched to the 1400 block of East Duke Street, near East Roger Road, after receiving a call about an armed man chasing after a neighbor, according to a news release from the Tucson Police Department.

Upon arrival, officers found Donald Shoemaker in his front yard with an apparent self-inflicted gunshot wound, police said. He was taken to a hospital with life-threatening injuries, where he remains hospitalized and on life support. 

Meanwhile, Tucson Fire crews also responded to a report of a structure fire on the same street. Two houses near Shoemaker's home sustained fire damage, police say.

Officers then discovered a third home, in the 1400 block of East Roger Road, just one street over from Duke, that was also on fire. A woman was found with obvious signs of gunshot trauma in the entryway of the home, police say. 

She was taken to the hospital with life-threatening injuries and remains hospitalized, where she is on life support. Her name has not been released.

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Police say it appears Shoemaker "fire bombed" three homes and shot the woman at her home. He then returned to his home where he shot himself. 

Detectives learned that Shoemaker allegedly had prior incidents with neighbors in which he threatened to kill them.

During a search of his home, investigators found additional incendiary devices and canisters of gasoline. Military ordnances were also found in the home, police say. The items were safely removed. 

No further information has been released. Anyone with further information is asked to call 88-CRIME, the anonymous tipster line. 

Contact reporter Gloria Knott at gknott@tucson.com or 573-4235. On Twitter: @gloriaeknott

Metro Producer

Gloria is a Tucson native and attended the University of Arizona. She started at the Star as an apprentice in 2017. Following her apprenticeship, she began freelancing until becoming a full-time reporter and producer after her college graduation in 2018.