1.   And Mike Royko prowled the halls.

2.   Even after some of the shooting had stopped, students and teachers said they believed a second gunman was prowling the halls.

3.   Even after the shooting stopped, students and teachers said they believed a second gunman was prowling the halls.

4.   He prowls the halls after dark.

5.   His ghost may prowl the halls of Valley Ranch forever.

6.   Still, images of young dope fiends prowling the halls are hard to conjure at Piedmont High.

7.   There are no Tom Landrys prowling the halls at Reunion Arena.

8.   There are no legions of mothers against unbelted driving prowling the halls of legislatures, no horror stories complete with prom photos or graduation pictures.

9.   Waldron, who represents network television affiliates, was among the legion of lobbyists prowling the halls of Congress.

10.   We hold our breath along with them, stifling a collective scream as killers prowl the halls.