Ex-con accused of sneaking back into NYC jails - Article Photos 1/2

This undated photo made available by the New York State Criminal Justice Services sex offender registry website shows Matthew Matagrano. Matagrano was arrested on Saturday, March 2, 2013 on charges that he impersonated a Department of Correction investigator. Officials say that for at least a week, he used phony credentials to get into multiple city lockups, including Rikers Island and the Manhattan Detention Center, where he mingled with inmates for hours. (AP Photo/New York State Criminal Justice Services)