[2] Gwyn spent eight years investigating some of the state's most high-profile crimes before being promoted to Executive Officer in 1996.
[2] In August 2004, after his appointment as TBI Director, Gwyn became an active member of the Governor's Meth Task Force, which helped craft legislation to combat the illegal production and use of methamphetamine.
[citation needed] The state's Fusion Center was constructed within TBI Headquarters under his watch housing Homeland Security among other programs such as AMBER Alert and Tennessee's Sex Offender Registry.
[citation needed] In 2006, Gwyn's opposition helped prevent the enactment of proposed legislation that would have legalized the production of gambling devices in Tennessee.
[2] Gwyn served on the Narcotics and Dangerous Drugs Committee of the International Association of Chiefs of Police, the board of the University of Tennessee National Forensic Academy, and local boards of directors for the Salvation Army and Second Harvest Food Bank.