Officials said they're not ruling out the possibily of foul play as the investigation continues.
Hospital officials at Providence Saint Joseph Medical Center alerted police that they were treating a woman who was shot in the head. The woman's boyfriend drove her to the hospital at approximately 4 a.m. in his pickup truck.
Police said the boyfriend is not a suspect in the case and is cooperating fully with investigators. However, detectives were combing his vehicle for evidence.
The shooting apparently happened at a home on Edison Boulevard. The woman was pronounced dead shortly after she arrived at the emergency room. Her name was being withheld pending notification of family.
City News Service contributed to this report.