TBI: Cumberland County murder suspect added to most wanted list TBI and last updated 2021-02-26 14:42:56-05 NASHVILLE, Tenn. (WTVF) â A 33-year-old man has been added to the Tennessee Bureau of Investigationâs Most Wanted list in connection with a murder case in Cumberland County. The Tennessee Bureau of Investigation said John Michael Poss is wanted on a first-degree murder charge by the Cumberland County Sheriffâs Office. The TBI did not provide additional information on the case. ð¨Most Wanted Alertð¨ John Michael Poss has been added to the TBI Most Wanted list. Poss is wanted by the Cumberland County Sheriffâs Office and TBI, for first degree murder. Call 1-800-TBI-FIND if you know where he is. pic.twitter.com/2luQVagrWM— Tennessee Bureau of Investigation (@TBInvestigation) February 26, 2021