State investigators are probing an officer-involved shooting in Grundy County. The incident happened Monday afternoon in Palmer, while deputies were attempting to serve a warrant on a man for escape, according Tennessee Bureau of Investigation officials. According to TBI spokeswoman Kristin Helm, Russell Smith was shot twice by two Grundy County sheriff’s deputies after he fled on an all-terrain vehicle and reportedly pointed a weapon at officers in pursuit. The shooting happened around 2 p.m. on Ivey Street in Palmer. Three other unnamed persons also were charged for “assisting the escape,” she said. Grundy County Sheriff’s Office officials said today that they could not provide details about the shooting at this point. Smith is being treated at Erlanger hospital, but his condition is unknown.