Infamous 'ninja burglar' confessed to breaking into 100 New York homes 04/21/2016 5:49 am PDT Comments WPIX via WPIX: NEW YORK — Prosecutors say a New York man who was nicknamed the "ninja burglar" has confessed to committing more than 100 burglaries on Staten Island in the last decade. Robert Costanzo pleaded not guilty Wednesday to three counts of felony burglary. Staten Island District Attorney Michael McMahon says the statute of limitations expired on the other burglaries. The DA said Wednesday the defendant is prepared to plead guilty on Thursday. FULL STORY: Infamous 'ninja burglar' confessed to breaking into 100 New York homes - WPIX Waiting for your permission to load facebook comments.