BRUNSWICK — A Maine police officer charged with sending explicit pictures of himself to an undercover agent he thought was a 13-year-old girl has resigned from the Brunswick police department.

WCSH-TV reports that Brunswick Police Chief Richard Rizzo announced the resignation of 25-year-old Garrett Brosnan, of Bath, on Saturday.

Brosnan was arrested last week and appeared in federal court in Portland on Wednesday. He was ordered to live with his parents and have no contact with anyone under the age of 18.

Federal officials say he’s been under investigation since October, when the parents of a 13-year-old girl in Arizona reported that someone had engaged their daughter in an online conversation that was sexual in nature.

It’s unclear if Brosnan has a lawyer.

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