They are back again. A 28-year-old woman was attacked on a Brooklyn subway train Wednesday by a masturbating sicko who knocked her to the ground and tried to rape her, cops said. The victim was riding in the last car of No. 3 train when the perv exposed himself and began masturbating near the Bergen St. station in Park Slope at 1:55 p.m., authorities said. He then grabbed the woman’s hair and neck before trying to rape her on the floor of the East New York-bound train, officials said. A 37-year-old good Samaritan rushed to the woman’s aid from another car and interrupted the attack, cops said. He subdued the creep and brought him to the local precinct, getting a gash above his eye that required six stitches in the process, the criminal complaint said. Alvaro Denica, 40, of Bensonhurst, was arrested and held on $150,000 bond and $50,000 cash after he was hit with a slew of charges, including assault, attempted sexual abuse, public lewdness, harassment and menacing, officials said. ...
