Some bombshell charges from the feds.

A registered sex offender is accused of getting a 12-year-old girl pregnant.

Federal prosecutors say Joseph Caracciolo, 47, sexually assaulting the girl in Pennsylvania, New York and New Jersey.

And they say at least one of those assaults happened in the Poconos.

Authorities say the assaults happened between May and August of last year.

He faces up to 30 years in prison if convicted.