PHILADELPHIA (CBS) – Philadelphia police are searching for a suspect in connection to the theft of more than 30 laptops in Center City.

Authorities say that Darryl Simpson, 28, is the main suspect in a round of laptop thefts in Center City, Philadelphia.

Allegedly, Simpson, who is also know as Adrian Simpson, has been entering office buildings during the week and on weekends.

Police report that he has gotten into buildings by using the parking facilities and by following employees in without their knowledge.

Simpson is African-American and approximately 6 feet tall and 200-220 lbs, with brown eyes and a close-cropped beard.

Authorities are asking anyone who sees Simpson to call 911. If you have any information about the burglaries or laptop thefts, please contact Detectives Velazquez and McIver at Central Detective Division, Special Investigations Unit at 215-686-3047 or 3048.