A criminal defense attorney has pleaded guilty in connection with a 2019 fatal drunk driving crash.

Robert Schuster, 53, of Bedford, left a holiday party and was driving eastbound on Route 172 when his car crossed over the double yellow line and struck another vehicle.

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Mount Kisco resident Diego Trejo, 22, was killed in the accident, along with his dog.

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Schuster entered a guilty plea to aggravated vehicular homicide charges. He will be sentenced on Nov. 30.