Weapons cache, bomb guide, Nazi flags found on Long Island

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(Suffolk County Police Department)

Suffolk County cops found an arsenal of weapons, money, and bomb-making instructions in a raid on a home in Mount Sinai, Long Island, the AP reported.

Authorities charged two brothers, Edward and Sean Perkowski, after the raid. Edward faces drugs and weapons charges, while Sean was arrested on a bench warrant. They are set to be arraigned Friday.

Police Commissioner Timothy Sini said cops found 10 assault rifles, a handgun, high-capacity magazines, a shotgun, a stun-gun, more than $40,000 in cash, marijuana and illegal mushrooms, the AP reported.

Police also found Nazi paraphernalia -- including a Swastika flag -- and a bomb-making manual.