Bail was set at $2 million for a man accused of killing a man and woman Sunday night in an Auburn Park.

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Bail was set at $2 million for a man accused of fatally shooting a man and woman Sunday night at an Auburn Park.

King County District Court Judge Greg Hirakawa found probable cause Wednesday to hold Charles Petrich on two counts of first-degree murder and one count of unlawful possession of a firearm. The high bail was set after Senior Deputy Prosecutor Scott O’Toole argued that Petrich, 39, was a flight risk.

Auburn police said Petrich has ties to Coeur d’Alene, Idaho. His last known address was in Ellensburg, according to the affidavit of probable cause that outlines the police case. He has a lengthy criminal record in Idaho and Washington, including Washington felony convictions for assault and aggravated battery, according to court records.

He is accused of killing Sara Arthur, 29, and Chaz Schmitz, 32, at Auburn’s Les Gove Park just before 9:30 p.m. Sunday.

Witnesses told police that Petrich was arguing with Arthur and Schmitz at the park when he retrieved a .22-caliber rifle from his pickup, according to the affidavit. The document says he then shot Arthur at the base of her skull and Schmitz in the chest.

Schmitz died at the park; Arthur died Monday at Seattle’s Harborview Medical Center.

Both victims are believed to be transients and were in Auburn to work at a Muckleshoot fireworks stand through the Fourth of July, police said.

According to police, Petrich was identified through interviews with witnesses at the scene. He is believed to have known the victims.

A possible motive has not been released.

According to Auburn police Cmdr. Steve Stocker, Petrich was arrested as he slept in his pickup late Monday in Auburn.