Hermiston police arrested a teen suspected of leaving graffiti on structures in three different cities.
The 17-year-old tagged multiple locations in Hermiston, Boardman and Arlington, police said. Investigators noticed similar markings on structures.
There were at least three incidents in Hermiston, more than a dozen in Boardman and others in Arlington, police said
The boy was arrested Wednesday and a 45-year-old woman was cited for failing to supervise him.
The teen was booked into a juvenile detention facility.