a homeless convicted sex-offender screamed , ` i 'm going to rape you ! ' before attacking a woman in a manhattan bar , according to a criminal complaint .
a 23-year old woman was allegedly raped in the bathroom stall of a bar in manhattan 's posh gramercy park neighborhood on saturday .
rodney stover , 48 , was arrested on wednesday in connection to the rape .
nypd released surveillance footage of the suspect on tuesday and a bartender recognized the man as stover .
stover had allegedly hid inside one of the bathroom stalls at turnmill bar at around 7.50 pm on saturday then ambushed the young woman .
he was arrested in 1992 for raping and sodomizing a woman he did not know and was released from prison on valentine 's day of this year .