A Northport Middle School custodian arrested last week is facing multiple felony weapons charges, according to court documents.

Scott Leonhardt allegedly had a loaded AK-47 and another loaded semi-automatic rifle at his home.

Prosecutors say Leonhardt also had another illegal handgun in his possession while watching his son at a different home in Suffolk County.

Leonhardt pleaded not guilty to the charges he is facing.

Stay with News 12 for more on this developing story.