Police say a man entered the Brookhaven Bryn Mawr Trust just before 2:30 p.m. and left without approaching a teller. According to police, are concerned he may have been casing the bank for a robbery.
Around 2:30 p.m., police say a man fitting the same description entered the Brookhaven Wells Fargo and presented a demand note.
Police say the teller looked at the note before walking away. The suspect became agitated and left without any money.
Police say minutes later, the same man entered the Brookhaven T.D. Bank and presented a new demand note after waiting in line.
The suspect leaves the bank with an undetermined amount of cash, but drops the bag after a dye pack explodes.
He was last seen driving northbound on Edgemont Avenue at a high rate of speed.
The vehicle is described as a 2003 to 2006 Ford Expedition with Pennsylvania tags, and may have some red dye stains near the headlights.
The suspect is described as a black male in his 30's, 6'0 to 6'2" tall, medium to heavy build, with a distinctive vertical beard running from his lip to his chin. He was wearing a weathered black leather jacket and green camouflage pants and Timberland boots.
Police are hoping the public can help identify the suspect. Anyone with information is asked to contact Brookhaven Police at 610-876-6142.