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Police Bureau

Sworn to protect. Dedicated to serve.

Phone: 503-823-0000

Fax: 503-823-0342

Non-Emergency: 503-823-3333

1111 S.W. 2nd Avenue, Portland, OR 97204

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Case #82-81725

On October 8, 1982, an apartment manager went to the apartment on the 1600 block of SW Park Avenue at approximately noon when he discovered the apartment's resident, Andrea Marin, a 22-year-old white woman, deceased the floor in her front room. Police were called and an autopsy discovered that Ms. Marin, had died as the result of blunt force trauma.

Andrea Marin was a young Portland State University student at the time of her murder and it was reported that she had been selling and using drugs. Investigators learned that she frequently had many visitors at her apartment.  Investigators discovered that she had been murdered some time before noon on October 5. She was last heard from on October 4 at approximately 11:00 am.

Witnesses may contact Cold Case Homicide Unit investigators directly at (503) 823-0400. To remain anonymous, witnesses may provide information through Crime Stoppers of Oregon.

Crime Stoppers of Oregon offers cash rewards for information, reported to Crime Stoppers, that leads to an arrest in any unsolved felony crime and tipsters can remain anonymous.

 Information about unsolved homicides can lead to a reward of up to $2,500 cash. All other unsolved felony crimes are eligible for cash rewards of up to $1,000.

 Information learned from social media sites such as Facebook, Twitter or YouTube should be shared as these tips may lead to the identification of a suspect or suspects. Links can be shared anonymously through Crime Stoppers.

Submit an anonymous tip:

Text CRIMES (274637) - Type 823HELP, followed by the tip.

Online at

Call 503-823-HELP (4357)

Visit to download the TipSubmit app for the iPhone or Droid.