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Long IslandCrime

ADA: Lindenhurst man with weapons fits profile of active shooter

A Lindenhurst man who left a threatening phone message

A Lindenhurst man who left a threatening phone message for an official at a Rockland County school he attended in 2002 was arrested Saturday night after nine illegal guns were found at his home, Suffolk police said Sunday. Credit: Stringer News Service

A Lindenhurst man facing more than a dozen weapons charges after he left a threatening telephone message for a school security guard he believed had slighted him years ago “fits the profile of an active shooter,” a Suffolk prosecutor said Monday.

Robert Csak, 32, appeared Monday in First District Court in Central Islip with a lawyer from the Legal Aid Society. He was ordered held on $750,000 bond or $350,000 cash bail.

Csak threatened the security guard who he believes “demeaned” him when he attended a Rockland County high school for youth with emotional and social issues, Suffolk District Attorney Timothy Sini told reporters outside court.

By making the threat 16 years later, Csak displayed traits similar to mass shooters who carried out their attacks at least partly because of an earlier perceived slight, Assistant Suffolk County District Attorney Jacob Kubetz said in court.

“Someone who is a grievance collector and holds a grudge for many, many years,” Kubetz said, adding that Csak’s home contained a “military-style arsenal.”

Csak, a pizza delivery driver, was arrested Saturday after police found guns, including nine illegal assault weapons, as well as ammunition during a search of his home on 38th Street. He was identified as the caller through caller ID and school records, police said.

“We’re talking about equipment that can really do a tremendous amount of damage,” Sini said.

One of the assault weapons seized, according to police, was an AK-47 and another was equipped with an illegal bump stock like the one used in the 2017 mass shooting in Las Vegas.

The seizure also included 190 high-capacity ammo magazines — among them 85 so-called banana clips, 85 straight clips, 17 drum magazines and six double-drum magazines, Kubetz said. Police also seized a large amount of ammunition, night-vision goggles, a silencer and a gas mask, he said.

Csak told police after his arrest Saturday that “I like guns,” according to the criminal complaint. “I have around 16 of them in my apartment.”

Sini said Csak had a decades-old grudge against Samuel Esposito, a school security guard when he attended the Summit School in upstate Upper Nyack. Esposito, who still works at the school, didn’t return messages left there Monday.

Lozito issued an order of protection for Csak to stay away from Esposito and the Summit School.

Csak, who is due back in court Friday, is charged with nine counts of third-degree criminal possession of a weapon, six counts of third-degree criminal possession of a weapon [large-capacity ammunition feeding device], third-degree criminal possession of a weapon [silencer] and fourth-degree criminal possession of a weapon.

Suffolk police Chief Stuart Cameron said Csak left a threatening message for Esposito on the Summit School’s voicemail Saturday morning. Another Summit School employee received the message and contacted Clarkstown police.

When a Clarkstown officer listened to the message, he was “alarmed” and thought Csak presented a “threat to himself or others,” Cameron said.

Suffolk police attempted a welfare check at Csak’s home but no one answered the door. The landlord opened the door for police and officers saw the stash of guns, authorities said.

Officers then left the apartment and obtained a search warrant for the property.

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