According to the FBI, the same person may be responsible for robbing four banks along Interstate 55.
The first robbery was in May of this year. In all four robberies the so-called "I-55 Bandit" handed the teller a note demanding money and indicating he had a weapon, but never showing it.
The suspect is young, between 18 and 25 years old and about six feet tall. Anyone with information is asked to call the CrimeStoppers.