A suspect in a La Quinta Cove homicide shot himself following a pursuit that ended in Ontario at about the same time a fire ignited at the scene of Thursday's killing.

Authorities identified the suspect Thursday evening as Stacy Rowan, 56, of La Quinta.

Jail records show he was arrested July 30 on suspicion of being a felon in possession of guns and ammunition, but he was released Aug. 3 after posting $25,000 bail.

The convoluted series of events began just before 8 a.m., when homeowners on Avenida Vallejo heard screams coming from a house near the intersection of Calle Potrero.

Jose Maciel assumed the screams were from neighborhood children as he washed his truck in his driveway, but then he saw an injured woman running from the home.

"She's holding her arm and it's bleeding like crazy," said Maciel, 70. "You could see a bullet hole, definitely."

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Maciel brought the woman into another home's entrance way to shield her from the attacker. He wrapped his shirt around the wound while another neighbor, Kim Gergen, used a dog collar as a tourniquet.

"I tended a little first aid to her and hid as well, because we didn't know if the (shooter) was here or not," Gergen said.

Riverside County sheriff's investigators said a man was killed and a woman was injured at the Avenida Vallejo home. The victim's name and cause of death weren't released, but neighbors said the woman told them she and her husband were shot by one of her relatives, who lived at the home.

By mid-morning, sheriff's investigators said in a tweet that the killing was an "isolated incident" and there was no threat to the public.

The shooting investigation was stalled when the La Quinta home caught fire about 11 a.m., forcing detectives to evacuate and residents to stay several yards away as black smoke filled the air.

Cal Fire firefighters put out the blaze and said its cause was under investigation. They remained at the scene into the afternoon hours as sheriff's officials stood by.

Authorities spotted Rowan driving a blue pickup on westbound Interstate 10 near Banning and authorities said Rowan led them on a chase that reached speeds of 70 mph to 80 mph.

"He was just driving along, trying, of course, to go past traffic," said California Highway Patrol Officer Jesus Garcia of the Rancho Cucamonga station. "He was going straight on the 10, didn't make any crazy moves or anything like that."

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Garcia said his officers took over the pursuit in Fontana. Rowan approached heavy traffic near Interstate 15 and tried to elude officers by driving in the center divider, which caused a flat tire.

He took the exit at Archibald Avenue and came to a stop near Inland Empire Boulevard, just north of the freeway. Officers approached the pickup and saw the driver "was slumped over the wheel," Garcia said.

Paramedics took Rowan to Arrowhead Regional Medical Center for treatment. He'll be booked into a jail once his gunshot wound heals, according to the sheriff's department.

Neighbors said Rowan lived at the home with his mother, who appeared unharmed when authorities removed her from the scene.

They added that most neighbors rarely talked to him.

"We would just wave hello, sometimes," Gergen said.