Naperville group offers reward in 9/11 memorial theft

An anti-crime group in Naperville has offered a $1,000 reward for the return of a concrete piece of the Pentagon stolen from a Sept. 11 memorial.

Last week's theft was the second time in three years that rubble from the Pentagon has been stolen from the Naperville memorial. After a 2005 theft, city leaders installed a surveillance camera, which they said wasn't functioning during Wednesday's incident.

Police reports say the thief took the concrete piece after breaking a protective, heavy-duty plastic seal. A security guard discovered the damage.

The Naperville memorial honors victims of the terrorist attacks including Naperville native Navy Cmdr. Dan Shanower, who died at the Pentagon.