Story highlights Suspect died of a self-inflicted gunshot wound, prosecutor says

Police find four victims and two injured people

(CNN) The man suspected of fatally shooting four people at a southern Pennsylvania car wash has died, authorities said Tuesday.

The shooting happened about 3 a.m. ET Sunday in the village of Melcroft, 42 miles southeast of Pittsburgh, according to Pennsylvania State Police. Officers found four bodies and two injured people -- including the suspected gunman, identified as Timothy Smith, 28.

Smith had a self-inflicted gunshot wound, and he eventually died from the injury at a hospital, Fayette County District Attorney Richard Bower said Tuesday.

Smith was wearing a body armor carrier without the ballistic panels inserted. He had several magazines of ammunition and three firearms -- an AR-15 semiautomatic rifle, 9 mm handgun and .308-caliber rifle, police said.

Smith apparently shot the victims with the AR-15 and the 9 mm, police said.

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