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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 #87-39035

On the evening of April 17, 1987, a resident on the 3600 block of NE 125th Avenue noticed the victim lying in the street and called 911. The victim, 58-year-old Dionisio Rios, a Hispanic man, had been shot and killed.

The victim was last seen with two unidentified Hispanic men at a North Portland 7-11, driving a 1980 maroon Oldsmobile with California license plates. The vehicle was discovered with blood in the vehicle at 718 NE 64th Avenue soon after Mr. Rios was found.

Dionisio Rios was a Mexican national who had recently arrived in the United States days earlier. An investigation revealed that he had been involved in the Mexican drug trafficking trade.

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.