(CBS DETROIT) – A 21-year-old Pontiac man has been charged in a double homicide that happened on July 4.

Dazon Mathis was arraigned Wednesday, July 7 and is charged with two counts each of open murder – a life offense – and possession of a firearm in the commission of a felony. A conviction on the firearm charge carries a mandatory two-year prison term.

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Mathis is accused of fatally shooting Christopher Cintron-Mateo, 30, and Jonathon Alvarado-Santiago, 29, both of Pontiac.

Credit: Oakland County Sheriff’s Office

The incident happened shortly after 1 p.m. Sunday outside a home in the 500 block of Valencia Drive.

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Deputies were sent to the home on the report of multiple gunshots fired. The victims were found lying in the street near a Chrysler 300 vehicle, officials say.

Investigators believe the shooting was the result of an altercation between the victims and Mathis.

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