An investigation is underway following a bank robbery in Plainfield on Monday afternoon. It was at 3:41 p.m. that an unknown suspect entered the BMO Harris Bank located at 15101 South Route 59 in Plainfield on Monday and robbed the bank. The unknown suspect wore white or gray baggy sweatpants, a dark grey sweatshirt, and a black baseball cap. He had a band-aid on each cheek. He’s listed a white male between 5’7″ and 6’0″ between 25 to 30 years old. Suspect should be considered armed and dangerous. The FBI is offering a reward of up to $1,000 for information leading directly to the arrest of this unknown suspect. Anyone with information regarding this bank robbery should contact the FBI’s Chicago Field Office at (312) 421-6700.