PLYMOUTH – Police Investigators arrested a Plymouth man after the Cortland Sheriff's office received a report of someone making a threat to the Cortland High School.

Jensen P. Schack, 19, a Cortland High School graduate was charged with making a terroristic threat, a class D felony. Investigators allegedly tracked Schack after he posted photos and videos in which he made threats directed towards Cortland High School, and with assistance from the Chenango County Sheriff's Office, they executed a search warrant of Schack's residence early Saturday morning.

Schack was taken into custody without incident, and after a search of his residence police found an assault rifle styled semi-automatic rifle with ammunition and seized them.