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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.

The Cold Case Unit would like anyone with information regarding this case to contact them. 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 is offering a cash reward of up to $1,000 for information, reported to Crime Stoppers, that leads to an arrest in this case, or any unsolved felony, and tipsters can remain anonymous.

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

Leave a Crime Stoppers tip online at text CRIMES (274637) and in the subject line put 823HELP, followed by the tip, or call (503) 823-HELP (4357) and leave the tip information. Tips can be left in English or Spanish.

Visit to download the Crime Stoppers App for the iPhone or Droid.