CHICAGO (CBS) — There’s been a third sexual assault in Chicago’s Lincoln Park neighborhood in recent weeks and police believe they’re all connected.

On May 17, a woman was assaulted at Wisconsin and Cleveland, near the Bauler playlot.

Police released surveillance video showing of a person of interest wanted for questioning in another attack from last week, in an alley off Orchard near Oz Park.

A day later, another woman was assaulted on Burling near Willow.