Five recent voyeurism incidents have been reported near Western Washington University in the 800-1000 blocks of East Maple, Billy Frank Jr. and High streets, as well as one occurrence in the 1300 block of Franklin Street, according to a Bellingham Police news release.
Most have taken place between 1 a.m. and 6 a.m.
The suspect is described as a white male with brown hair, a slender build and wearing dark clothing. The suspect stands outside windows holding either a flashlight or cell phone.
Police believe the incidents may be related to voyeurism cases reported earlier this year.
Bellingham and university police have increased patrols in the area.
Tips can be directed to Detective Sue Howell at 360-778-8682; anonymously at 360-778-8611. Or use the online tip page, cob.org/tips.