George Shaw, 54, is charged with forcible touching and sexual abuse.
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The NYPD previously released surveillance images of the incident on Nov. 29 on the southbound "R" train platform at the 14 Street-Union Square subway station.
Police say the suspect approached the 18-year-old female victim from behind and touched her over her pants.
Shaw was arrested in front of his home on Friday morning
A level 3 registered sex offender is the highest risk offender.
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Shaw previously served 22 years behind bars for rape, sodomy, attempted sodomy and sexual abuse.
He was convicted in 1996 for sexually assault four women - two 15 year olds, a 17 year old and a 23 year old. He was released from prison in 2018 and is currently on parole.
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