Somerville Police released a sketch of a possible suspect in the recent assaults in the Porter Square and Union Square area.

From the Somerville Police:

Over the past three months, there have been three assaults on women in Somerville in the Union and Porter Square areas after dark in the evening hours and early nighttime. The Somerville Police Department is working to identify and apprehend the suspects as quickly as possible, and we wish to alert residents, especially women, to take safety precautions.