Prosecutors said that Mr. Reiner killed his parents, Rob and Michelle Reiner, using a knife. He has not yet entered a plea.

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For ecologists, the Covid-19 pandemic has presented a remarkable natural experiment in what can happen to wild animals when humans stay home.

© Alex Fu

The director’s family said that he and his wife, Michele, died on Sunday, and county jail records show that their son, Nick Reiner, was arrested.

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Neros, a company founded in 2023 by former teenage drone racers, won a coveted Army contract and is gaining popularity in the defense sector.