PORTERVILLE, Calif. (KFSN) -- WARNING: The details below may be disturbing to some viewers.

A string of sinister acts in Porterville.

Police, along with the Department of Justice, arrested 19-year-old Tony Long.

He is suspected of mutilating cats and sexually exploiting a minor in Washington state.

The indictment details Long, who lives in Porterville, committed cyberstalking and made online threats to a minor in Kern County.

"He was kind of living an everyday normal life, but he had this altered side of him that was like online," said Porterville Police Sergeant Nathan Bray.

Sgt. Bray said Long was a member of the terrorist extremist group, 764.

The group, known to law enforcement across the country, is said to have a hatred for society.

Their victims are told to create graphic

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