Reports say that cops have arrested a man who managed to live in the pool house of Jennifer Lopez's Hamptons mansion for several days without being noticed. According to TMZ, Southampton police said that 49-year-old John M. Dubis moved into J.Lo's pool pad earlier this month. The site reported that Dubis even postedFacebook photos of himself on the property. He was busted by police on August 8th and was booked for burglary, stalking and criminal contempt. However, he pled not guilty and is in jail with in lieu of a $100,000 bail. The judge ordered a mental evalution for Dubis. J.Lo wasn't home at the time, nor were the security guards patrolling the estate. The singer already had a protective order against Dubis for contacting her mother earlier this year. Someone's been sleeping in Jennifer Lopez's pool house, and it ain't Goldilocks -- cops arrested an alleged stalker who somehow managed to live in the pool house of her massive Hamptons mansion ... for several days ... without getting noticed. According to Southampton police, 49-year-old John M. Dubis basically moved in to J.Lo's $10 million pad sometime in early August.He reportedly walked around the estate freely, hanging out openly in view of neighbors... and even posted Facebook photos of himself all over the grounds, such as the one below -- before police finally busted him on Aug. 8.