TINLEY PARK, Ill. -- Police say an armed man entered a clothing store near Chicago Saturday and shot five women, killing all of them. We've learned one of the victims is from the South Bend area.

The shootings happened at a Lane Bryant store in Tinley Park. That's just south of Chicago. The gunman is still on the loose.

Police say an armed man entered the clothing store in a strip mall and herded the five women inside the store to a back room, where he shot and killed them all.

"The motive in this case was a robbery and at some point it went rather poorly," said police.

A massive search is underway now in the south Chicago suburb. At first, police locked down every store. They checked cars and brought out search dogs. Police now believe the gunman has left the immediate area and they've widened their search, downloading video from nearby store cameras, hoping to catch a glimpse of the shooter.

Police have not released the identities of the shooter's five victims, and whether they were customers or employees. Police have re-opened some of the strip mall stores, but the Lane Bryant store remains a crime scene.

Again, we've learned one of the victims is from the South Bend area, but police have not released any names in the case. Police will be holding their next news conference at 3 p.m. Sunday.

Stay with WSBT News for updates on this developing story.