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Jury Convicts Former Summit Police Chief of Bribery, Conspiracy and Obstruction

The case centered on a 2017 $10,000 payoff tied to a liquor-license transfer in Summit.

Overview

  • A federal jury in Chicago returned the guilty verdicts after a seven-day trial on Dec. 10.
  • Evidence showed John Kosmowski accepted $10,000 from a local businessman to influence a liquor-license transfer and shared the cash with building inspector William Mundy.
  • The obstruction count stemmed from a 2022 meeting where Kosmowski urged Mundy to call the payoff a loan, a conversation Mundy recorded.
  • U.S. District Judge Steven C. Seeger set Kosmowski’s sentencing for March 27, 2026.
  • Mundy previously pleaded guilty to bribery and a false tax return and awaits sentencing, and the case was brought by the U.S. Attorney’s Office with the FBI and IRS-CI and tried by Assistant U.S. Attorneys Tiffany Ardam and Jared Hasten.