We Are Portland

Man Arrested After Southeast Portland Bike Robbery

A witness tracked the suspect by car after an assault on Southeast Powell Boulevard.

Updated on Oct. 7, 2026 in Property Crime

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Portland police arrested 42-year-old Serengaw Ham on charges including first-degree robbery and second-degree assault following a stabbing near Southeast Powell Boulevard. AI Illustration. Upload story photo >

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A Portland cyclist was hospitalized with a head wound after being stabbed while a suspect attempted to steal his bike. Police arrested 42-year-old Serengaw Ham near Southeast 88th and Lafayette avenues shortly after the incident.

Why it matters

The incident on Southeast Powell Boulevard highlights ongoing public safety concerns regarding transit routes in East Portland. Investigators and the community are now watching how the legal system handles the suspect, who is currently being held without bail on parole violations.

Police located the suspect within 1 hour of the assault using photo and video evidence provided by a witness. The suspect, age 42, is currently detained in Multnomah County without bail.

The players

Serengaw Ham

The 42-year-old suspect currently held without bail on robbery, weapon, and assault charges.

The details

The assault took place near 92nd Avenue when the suspect allegedly demanded the victim's bike, ultimately stabbing the victim with a six-inch steak knife. A witness followed the suspect by car and captured photos and videos that led officers to the arrest between Southeast 88th and Lafayette avenues. Police recovered the victim's bike, the steak knife, and a meat cleaver from the suspect. Ham now faces charges of robbery in the first degree, unlawful use of a weapon, and assault in the second degree.

Timeline

  1. October 4, 2026: The assault and robbery occurred.

  2. 2006: The suspect was convicted of third-degree assault.

  3. 2012: The suspect was convicted of vehicular homicide.

  4. 2016: The suspect avoided prison for a DUI causing injury.

  5. 2018: The suspect was convicted of reckless endangerment.

Beyond the Bridges

This case follows a series of criminal convictions for the suspect dating back to 2006, including a 2016 incident where he avoided prison time for a DUI causing injury. The current charges represent a significant shift from those past legal outcomes.

Cyclists on Southeast Powell Boulevard should remain alert while navigating near 92nd Avenue. Witnesses to similar incidents are encouraged to document events from a safe distance, as photos and videos were critical in this arrest.

The takeaway

The use of bystander documentation proved instrumental in identifying the suspect in this case. Residents should be aware that documenting suspicious activity from a distance can provide vital evidence for law enforcement.

Further reading

For more on how local officials are addressing rising safety concerns in our neighborhoods, visit Property Crime.

Source note: This article includes information reported by KATU.

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