THP trooper facing assault charges following report of excessive force WTVF and last updated 2021-02-26 23:56:34-05 ROBERTSON COUNTY, Tenn. (WTVF) â A Tennessee Highway Patrol trooper has been indicted on assault charges following a report of excessive force during an arrest. The TBI says Trooper Sammy Allen arrested a man in November who would not pull over for a traffic stop, but rather crashed his truck while trying to drove away from troopers. Tennessee Bureau of Investigation Photo: TBI While taking him into custody, Allen choked the arrestee twice and punched him in the groin once while he was handcuffed and restrained, according to the TBI.