Gilgo Beach serial killer Rex Heuermann was disciplined for drug possession and smuggling a package into prison, according to a report by the New York Post.

The incident occurred inside the Clinton Correctional Facility in Dannemora, where he is serving a life sentence.

News 12 has requested his disciplinary records and is waiting to hear back from the state.

RELATED: Three years since Gilgo Beach serial killer Rex Heuermann's arrest