Was he a jealous killer or have Spokane County Sheriff's detectives arrested the wrong man? That's the question a jury will have to decide as Dan Arteaga's murder trial got underway Wednesday.
Arteaga stands accused of killing his girlfriend Kim Schmidt on New Year's Eve 2011.
The prosecutors theorize Arteaga was able to sneak up on Schmidt and shoot her at point blank range because he had taken his small caliber pistol and hid it in a woman's sock as he approached the victim.
Detectives collected that sock as evidence and now say it has Arteaga's DNA inside of it, and that was the lead off statement prosecutors told the jury as the trial got underway Wednesday morning.
"He forgot to take the sock," Deputy Prosecutor John Love said.
Tests later confirmed the gun was inside the sock as well as Arteaga's DNA.
Prosecutors say Arteaga shot and killed Schmidt because his long-time lover was rekindling her relationship with the father of her 12-year-old daughter.
"Kim Schmidt said Mr. Arteaga was her friend and he was her friend but not the way he wanted it to be. She was ready to move on. He was not," Love said.