MEMPHIS, Tenn. -- Three inmates in the Crockett County Jail were indicted on first-degree murder charges after an investigation into the "brutal" assault of another inmate. Inmates Brandon Carroll, Dustin Carter, and Cody Enochs are accused of assaulting another inmate in a jail bathroom on September 20. According to a press release, corrections officers responded to the bathroom after hearing "a disturbance," where they found the victim bleeding and the accused attempting to clean up the scene, which was described as "bloody." 📡 See more breaking news, local news and weather from WREG.com for Memphis and the Mid-South. 📧 Sign up for WREG newsletters and have the latest top stories sent right to your inbox. The victim was taken to a local hospital for treatment, said the sheriff's department. After an investigation by the Criminal Investigations Division, a grand jury issued a "true bill" indicting Carroll, Carter, and Enochs for Attempted First-Degree Murder - a Class A Felony. All three inmates are already in custody on other charges. They are currently waiting for arraignment on the new felony indictment.