Darren Muldrow, 33, was arrested Friday after he was identified as the man who pistol-whipped a 21-year-old man with a handgun Aug. 2 on the Blue Line Clinton platform.
Two days later, Muldrow allegedly pistol-whipped a 39-year-old woman in the head and arm with a gun around 9 a.m. at the Blue Line Western station.
He is charged with two felony counts each of aggravated battery to a transit employee and aggravated battery with a deadly weapon.
He was being held at the Cook County Jail on $100,000 bail, according to the sheriff’s office.
The Sun-Times Media Wire contributed to this report.