Man convicted of 2023 Sioux City attack sentenced to life in prison

SIOUX CITY (KTIV) – A man convicted of a 2023 fatal shooting in Sioux City has been sentenced.

Mario Corona Ruiz, 22, of Sioux City, was sentenced to life in prison for first-degree murder on Friday, Nov. 1, court documents show. Jury found Corona Ruiz guilty in August 2024 for the death of Michael Lee Schwebach, 34, of Sioux City.

On September 21, 2023 While Schwebach was walking in Sioux City, Corona walked up to the white SUV Ruiz was driving and chatted with him. At one point, Corona Ruiz jumped out the driver’s side window, struck Schwebach and then drove away, authorities said. Schwebach was eventually taken to a local hospital, where he was pronounced dead.

Corona Ruiz was arrested the next day in South Sioux City, Nebraska, and charged with murder. Under Iowa law, if you are convicted of first-degree murder, your sentence is life in prison without parole.

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