Conflict · Mazatlán, Sinaloa, Mexico · October 8, 2026

Cartel shootout in Mazatlán prison kills 12, including toddler

Reported by 1 outlet · under-reported · first reported Oct 7, 8:00 PM ET

Rival Sinaloa Cartel factions clashed inside El Castillo prison in Mazatlán, killing 12 people including a 2-year-old and injuring 16. It was reportedly an attempt to kill Los Chapitos leader Eduardo Jonathan Martínez Larios, who was reported among the dead.

Why it matters

The violence shows how the Sinaloa Cartel's internal war reaches even inside state prisons.

Background

The Sinaloa Cartel split into warring factions, including Los Chapitos led by sons of Joaquín 'El Chapo' Guzmán, after major arrests in 2024. Sinaloa state has since seen sustained violence.

The story so far

1. Oct 8Cartel shootout in Mazatlán prison kills 12, including toddler
2. Oct 9Cartel shootout in Mazatlán prison kills 12, including a toddler

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Sources

• Mexico News Daily ↗October 8, 2026

This summary was written automatically from the reporting linked above; follow the sources for the full story. How One Turn works.

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