A man suspected of killing a Salt Lake man outside a downtown bar last weekend was arrested Thursday in a small town in Washington.

Miguel Sevilla, 26, was arrested Thursday by Washington troopers on a homicide warrant issued the day before in Salt Lake County, according to Salt Lake Police Sgt. Jerry Mendez.Salt Lake homicide detectives had put the vehicle they believed Sevilla was driving on a national computer database. Washington

troopers pulled up the license number and were alerted to the fact the car was connected to a homicide in Salt Lake City.

The troopers arrested Sevilla and told Salt Lake police the driver of the car was in jail in Washington. Mendez said he didn't know yet whether Sevilla would waive extradition to Utah. If he does, he could be back within a matter of days.

"The case came together really well," Mendez said. Detectives from Salt Lake City will likely fly to Washington to question Sevilla before he comes back to Utah.

Sevilla was charged with criminal homicide, a first-degree felony, for allegedly shooting Amador Rios-Nario to death shortly after midnight April 25.

A security guard at La Pantera restaurant said he saw Sevilla pull into the parking lot and ask to park while he waited for a friend, according to police reports and court documents. A short time later, the witness said he heard gunshots and then saw a man shooting into the passenger side door of Rios-Nario's car.

Rios-Nario was shot several times and died at the scene as rescue workers tried to save him. The security guard picked Sevilla's picture from a photo-lineup, court documents said.

Police have been looking for Sevilla since early last week. On Wednesday prosecutors charged him with the killing.

Sevilla's brother, Andres Sevilla, 30, also faces criminal homicide charges in a separate shooting last summer. Andres Sevilla is accused of killing Arturo Enriquez on June 25, 1997.

Enriquez was at a downtown bar with his ex-wife, Eber Valdez, when a man asked them to come outside. Once Enriquez got inside the man's car, the man fired several shots at Enriquez.

Valdez told police the shooter was her ex-boyfriend, Andres Sevilla, and that she watched him shoot her ex-husband at least twice, court documents said. All of those involved in the shootings are illegal immigrants.

Whether the two killings are related is still unclear.

"It's really purely speculation on our part at this point," Mendez said. "We're looking into the possibility."