The Brief Mount Vernon fired Jennifer Lackard, a deputy police commissioner, on Tuesday following her arrest for attempted murder in New York City. Lackard, 49, and her son, Chase Lackard, were arrested in connection with a late-night shooting in the Bronx on June 29, the NYPD said. The City of Mount Vernon said the charges are unrelated to Lackard's conduct within the police department. Mount Vernon fired Jennifer Lackard, a deputy police commissioner, on Tuesday following her arrest in a New York City shooting investigation. According to investigators, Chase Lackard fired a gun that night at a group of people outside the Bronx criminal court, though nobody was hurt.