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Jury Finds Steven Montano Guilty of First-Degree Murder in Death of Officer Andrés Vásquez Lasso

Jurors rejected his panic-driven defense, concluding he intentionally fired at an on-duty officer during a chase near a school playground.

Rodrigo Vásquez, from left, and Rocio Lasso, the parents of slain Chicago police Officer Andrés Mauricio Vásquez Lasso, leave the Leighton Criminal Court Building, July 15, 2025, after a day in the trial of their son’s accused killer, Steven Montano. (Terrence Antonio James/Chicago Tribune)
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Overview

  • The jury convicted 21-year-old Steven Montano on first-degree murder and related weapons charges in the March 1, 2023, slaying of Officer Andrés Vásquez Lasso.
  • Deliberations lasted several hours as jurors weighed whether Montano’s claim of mistaken identity and fear qualified for a lesser second-degree verdict.
  • Prosecutors pointed to body-worn camera footage showing Montano firing five rounds at Vásquez Lasso, whose uniform and verbal commands were clearly visible.
  • Montano testified he acted out of pure fear based on past negative encounters with police and did not realize the person chasing him was an officer.
  • A sentencing hearing is expected to be set soon, with Montano facing potential life imprisonment for the officer’s killing.