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JOHNSON COUNTY (CBSDFW.COM) – Two men were arrested in the case of man who was found dead near Alvarado Sunday night.

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Antonio Galvan, 45, of Arlington was found adjacent to a deep hand-dug grave measuring approximately 6 foot in length, 3 foot in width and 4.5 feet in depth. Galvan had dirt from the grave thrown over part of his body.

Adan Gaona (credit: Johnson County Sheriff's Office)

Adan Gaona (credit: Johnson County Sheriff’s Office)

Galvan’s stepson, Adan Gaona, 32, was charged with murder and tampering with evidence, according to deputies. He is in the Johnson County Jail on a $150,000 bond for a single murder charge and a $50,000 bond for the tampering with evidence charge.

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Another man, Russell Lutz, 60, was also charged with tampering with evidence. His bond is set at $50,000.

Russell Lutz (credit: Johnson County Sheriff's Office)

Russell Lutz (credit: Johnson County Sheriff’s Office)

Both men also face multiple drug charges as a result of a large marijuana operation discovered on the property and Gaona is also facing Unauthorized Use Of A Motor Vehicle charges.

The Johnson County District Attorney’s Office, the Texas Rangers and Search One Rescue Unit assisted the investigation of the case.

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