Anthony Weiner Begins His Prison Sentence ... For Sexting Minor

11/6/2017 7:48 AM PST

Anthony Weiner Begins Serving Prison Sentence for Sexting Minor (UPDATE)

8:55 AM PT -- Weiner is officially in custody. We're told he was dropped off Monday morning at the prison in northern Massachusetts. 

Lunch is served.

Anthony Weiner will begin serving his prison sentence Monday for sexting with a 15-year-old girl.

Weiner was sentenced to 21 months for the crime of transferring obscene material to a minor. He'll serve his time at the Federal Medical Center in Devens, Massachusetts. The facility offers treatment for sex offenders.

Weiner reportedly spent hours Sunday with his 5-year-old son. As you know, Weiner's wife, Huma Abedin, filed for divorce on the heels of his latest scandal.

Weiner could get 15% of the 21 months shaved off for good behavior.