Thursday afternoon, Tualatin Police responded to a report of an assault in the 20000 block of SW 72nd Avenue.
When officers arrived they located a 74-year-old female assault victim inside the home.
Wendy Henson was transported to OHSU, but later died as a result of her injuries.
Officers also located a suspect inside the home. The suspect, identified as 47-year-old Garth Beams. He was taken into custody without incident and lodged at the Washington County Jail on a charge of Murder.
Beams is Henson's son.
Neighbor Andria Fultz tells KATU News that Beams is mentally ill and lived with his mother, because he couldn't live on his own.
The Tualatin Police were assisted by members of the Washington County Major Crimes Team and the Washington County District Attorney’s Office.