NORTH BRUNSWICK, N.J. (CBSNewYork) — There’s new information in a deadly shooting ambush at the home of a federal judge in New Jersey.

Police say 72-year-old attorney Roy Den Hollander opened fire at the North Brunswick home of Judge Esther Salas last July after posing as a deliveryman.

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Salas’ 20-year-old son, Daniel, was killed. Her husband was shot three times but survived.

Police say Den Hollander later took his own life.

READ MORE: Judge Esther Salas Says She’s Forgiven Man Who Killed Her Son In Attack On Her Home

Salas told “60 Minutes” what the FBI found in a locker used by her son’s killer.

“They found another gun, a Glock, more ammunition. But the most troubling thing they found was a manila folder with a workup on [Supreme Court] Justice Sonia Sotomayor,” Salas said. “Chilling.”

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You can watch the full interview on “60 Minutes” this Sunday at 7 p.m. on CBS2.

CBSNewYork Team