A Quincy man is facing charges for lewd behavior after allegedly on a Red Line train.
According to transit police, a female approached officers at 2 p.m. on Tuesday to report that while she was traveling inbound on a Red Line train, a man seated across from her began masturbating while looking directly at her.
Police said the incident happened around the JFK/UMass station. The suspect left the train at either the Andrew Square or Broadway MBTA station.
Transit Police investigated the incident, and subsequently arrested James Cox, 45, of Quincy on Thursday.
Cox was charged with open and gross lewdness. He was be arraigned in South Boston District Court on Friday.