CROWN HEIGHTS, Brooklyn — Police are searching for a man who allegedly masturbated for more than 30 minutes as he continued to stare at a woman during a subway ride.

The suspect was riding the No. 2 train northbound from the President Street station around 4 p.m. Sunday, police said. He allegedly sat down, put his hand down his pants and began fondling his penis while he was looking at a 29-year-old woman on board the train.

The man continued to fondle himself for more than half an hour, according to police.

The woman took a photo of the suspect with his hand down his pants and sent it to police. He has a tattoo on his forehead with the words “TEAM USA.”

Submit tips to police by calling Crime Stoppers at 1-800-577-TIPS (8477), visiting www.nypdcrimestoppers.com, or texting 274637 (CRIMES) then entering TIP577.