FOX13 has learned that Lawler's attorneys have filed two subpoenas to investigate Brian Christopher Lawler's death.
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Early in January, FOX13 reported Lawler hired Jeff Rosenblurm to investigate the claim that his son committed suicide in a Hardeman County Jail.
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He was hired by the Lawler family "to pursue a civil rights claim against Hardeman County, and the deputies that were supposed to protect Brian Christopher Lawler."
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Attorneys for his estate issued subpoenas to both the Hardeman County Sheriff's Office and the Tennesse Bureau of Investigation.
The subpoenas are part of a civil action by the Lawler family.
Cox Media Group