Marcine Herinck (Photo released by Portland Police Bureau)
PORTLAND, Ore. -- Portland police arrested a registered sex offender after officers discovered a body in a car trunk. Investigators believe the victim is "likely" that of a missing 89-year-old woman.
Police Sgt. Christopher Burley said Wednesday that a definitive identification of the body is being done by the state medical examiner.
Marcine Herinck was reported missing on Sept. 19 from her home in northeast Portland. Volunteers and authorities had been searching for Herinck for several days around her neighborhood.
Timothy Mackley (Multnomah County Sheriff's Office booking photo)
Burley said information developed Monday identified 58-year-old Timothy J. Mackley as a person of interest in Herinck's disappearance.
Police said the body was found in Mackley's trunk during a Tuesday traffic stop:
Mackley was arrested for murder.
Court records show Mackley is a convicted felon and has been diagnosed with schizophrenia and bipolar disorder.
Mackley is registerd as a level 3 sex offender, according to the State of Oregon Sex Offender Inquiry System.
Mackley's first court appearance was scheduled for 2 p.m. Wednesday.
The Associated Press contributed to this report.