148.10 PC, 245B PC, 1203.2 PC - North Berkeley Station Officers responded to the North Berkeley Station to investigate complaints of a subject masturbating onboard a train. The subject, later identified as Johnson, Gregory (11/12/98 San Leandro) off-boarded the train at the North Berkeley Station. When Johnson saw officers, he fled on foot. Officers detained Johnson at which time he spat in an officer’s face and again fled. Berkeley PD officers arrived to assist. Johnson was again detained and taken into custody. Johnson was arrested on the listed charges and booked into the Berkeley City Jail.