Shooting Investigation – 3400 block of Marshall Avenue 25SC30584
Jeremy McClure
On October 25, 2025, at approximately 12:50 A.M. Sioux City Police Officers were dispatched to the 3400 block of Marshall Avenue for a report of a shooting.
Upon arrival, officers located one individual suffering from a gunshot wound to the abdomen. The victim was identified as Mario Armando Martinez Jr., 31, of Sioux City, Iowa. He was transported to Unity Point Health – St. Luke’s (Downtown) where he continues to receive treatment. His current condition is not being released at this time.
A suspect was also located at the scene and identified as Vicente Estrada Leon Jr., 35, of Sioux City, Iowa. Following the investigation, Leon was charged with:
• Willful Injury Resulting in Serious Injury
• Assault While Participating in a Felony
• Intimidation with a Dangerous Weapon
• Assault with a Dangerous Weapon
• Carrying a Weapon While Intoxicated
The Sioux City Police Department is committed to the safety and well-being of our community. We will provide updates as more information becomes available.
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