DEL CITY, Oklahoma - A man is in custody for the shooting death of his son-in-law.

According to the Del City Police Department, 59-year-old Frank Reynolds is in custody after fatally shooting his son-in-law, 27-year-old Joseph Groh, during an argument at a family barbecue Saturday, April 21.

Police said Groh was shot in the chest and Reynolds tried to flee the scene.

Police said it is still unclear why the two were in an argument.

Reynolds is expected to be transferred to the Oklahoma County Jail Monday on a complaint of first-degree murder.

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