Over 50 people have been killed, and 51 are missing after clashes between rival drug trafficking Sinaloa Cartel factions in Mexico's Sinaloa state since September 9. Shootouts have disrupted daily life, with schools and businesses closing. Authorities have arrested over 40 people, and the military detained the security head of Ivan Guzman, son of jailed cartel leader "El Chapo" Guzman.