EAST ISLIP - Police are searching for a serial bank robber in Suffolk County. 

Detectives believe the same man robbed banks in Farmingville, East Islip and Lake Ronkonkoma this month. 

Police say the man robbed a Chase bank on Medford Avenue in Patchogue yesterday. According to police, the man handed a teller a note and took off with cash. 

Anyone with information is asked to call Suffolk Crime Stoppers at 1-800-220-TIPS