Face of Store Gunman Revealed

It's the face of a killer.

A week after a robbery at a suburban Chicago women's clothing store went wrong and left five women dead, authorities have released a sketch of the gunman based on a description provided by a sixth victim who survived the shooting.

The sketch is one of the few major developments during the first week of investigation into the unsettling daytime crime that left four shoppers and a popular store manager dead.

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On Saturday, dive teams scoured area ponds and streams for evidence. Officers handed out fliers to shoppers in the mall where the Lane Bryant store is located, hoping someone may have been in the area last week and seen the gunman fleeing the area.

The plus-size women's clothing store does not have surveillance cameras, but authorities combed through video captured by other stores in the mall outfitted with security systems.

The release of the sketch has generated calls from the public. "We have received about 300 tips on our hot line," Tinley Park Police Chief Michael O'Connell said this weekend. "We are following them as soon as we get them."

Authorities used information provided by a store employee who was the lone survivor of the bloodbath. The woman, whom ABC News is not identifying, issued an emotional statement, describing her fellow victims as "five of the bravest women I have ever met."

"My deepest sympathies and condolences go out to their families and friends," the woman said in the statement. "Please know that during the unfathomable events of that day, their thoughts were focused on you and coming home."

Family and friends of the five slain women are burying their loved ones and hoping authorities can zero in on a gunman.

A memorial service for victim Connie Wolfolk drew more than 1,000 people this weekend. "I'm going to miss my sister's character," Aaron Wolfolk said. "I mean, no matter who you were, no matter who met her, you loved her."