JTA — A father and his teenage son were arrested Wednesday after an investigation into swastika graffiti at the teen’s school led police to search their home, where authorities said they found chemicals used to make explosives.

The arrests stemmed from an investigation into swastika graffiti found in a boys’ bathroom at Syosset High School on Long Island. After police determined that a 15-year-old student had drawn the swastika, the Nassau County Police Department sent officers to his home.

There, the teen told the officers about the explosive materials, according to prosecutors. He said his father had purchased the chemicals for him to build rockets.

During the subsequent search of the home, police found “highly unstable” materials that had been combined to make explosives, including nitroglycerin, multiple acids, oxidizers and fuels. They began to evacuate people in adjacent homes, fearing an explosion.

The teen was not identified by police due to his age. Francisco Sanles, 48, who was arrested at the scene, has pleaded not guilty to seven criminal counts, including criminal possession of a weapon and endangering........

© The Times of Israel