NEW ORLEANS - The FBI arrested a man who they say pretended to be a police officer, and threatened female minors with arrest if they failed to send him nude photographs.

18-year-old Tristion A. Grant was arrested Thursday morning, according to the FBI New Orleans Division's Violent Crimes Against Children/Human Trafficking Task Force.

FBI officials say Grant contacted female minors online and coerced them into sending nude photos of themselves to him. They say he also intimidated them, telling the female victims they would be arrested if he did not comply with his demands.

Grant was booked at Orleans Parish Prison on charges of false impersonation of a police officer and computer aided solicitation of a minor.

FBI agents in Jacksonville, Los Angeles, and New Orleans assisted with the investigation. Grant will be prosecuted by the Orleans Parish District Attorney's Office.