Eleven people have been charged in a methamphetamine trafficking conspiracy that federal prosecutors say was directed from inside a Tennessee prison using contraband cell phones.
According to the United States Attorney’s Office for the Middle District of Tennessee, a federal grand jury returned a 17-count superseding indictment charging the defendants with participating in a conspiracy to distribute methamphetamine throughout southern Middle Tennessee.
Prosecutors allege that Corey Byrd, 38, who is currently serving a sentence with the Tennessee Department of Correction, used smuggled cell phones to coordinate drug trafficking operations through a network of associates outside prison walls.
The indictment alleges the conspiracy operated from at least 2023 through August 2025 and involved the distribution of 500 grams or more of methamphetamine.
Those charged include Corey Byrd; Tiffany Byrd, 35, of Lawrenceburg; Robert Miles, 52, of Lawrenceburg; Demond Garrett, 42, of Pulaski; Jason Bost, 45, of Pulaski; Haylee Groover, 26, of Pulaski; Chelsie Dickson, 31, of Pulaski; Alyssa Whitsett, 22, of Pulaski; Sherri Holder, 49, of Pulaski; Stacy Taylor, 45, of Lawrenceburg; and Lila Chester, 28, of Pulaski.
Court documents allege Tiffany Byrd, identified as Corey Byrd’s sister, acted as one of the organization’s primary coordinators outside the prison by distributing methamphetamine to sub-distributors, directing runners and managing proceeds from drug sales.
The indictment also charges Robert Miles with multiple methamphetamine distribution offenses and alleges he possessed more than 500 grams of methamphetamine, fentanyl and a firearm during a drug trafficking crime on Aug. 28, 2025. Prosecutors are seeking the forfeiture of six firearms allegedly connected to the case.
If convicted, defendants charged with conspiracy to distribute 500 grams or more of methamphetamine could face sentences of up to life in prison depending on drug quantities and other sentencing factors. The firearm charge carries a mandatory minimum sentence of five years that would be served consecutively to any other sentence imposed.
The investigation involved the Federal Bureau of Investigation Nashville Field Office’s Columbia Resident Agency, the Tennessee Bureau of Investigation, the Pulaski Police Department, the Giles County Sheriff’s Office and the Lawrence County Sheriff’s Office.
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