Investigators say the man they are looking for is 28-year-old Darryl Simpson, aka Adrian Simpson. He is wanted for allegedly stealing more than 30 laptop computers.
Police say Simpson has managed to get into buildings both during the week and on weekends. He has been known to force locks open and enter through parking faclities, police said.
He has allegedly been caught on video tailgating or following an employee into buildings without their knowledge.
Police say Simpson frequents 801 Market, 1300 Market, 1650 Market and 3550 Market st. His last known address is 4558 North 15th Street.
Anyone with information on Simpson's whereabouts is asked to call Detectives Velazquez and McIver at Central Detective Division, Special Investigations Unit at (215) 686-3047 or 3048.