ELLIS COUNTY, Texas — The death of an Ellis County Detention Officer allegedly killed by an inmate is just the second incident of its kind in over 35 years, data shows.
Isaiah Bias, 28, died after being assaulted by an inmate at the county jail Monday, officials announced Tuesday.
Bias was "doing his daily job" in a holding cell around 3:45 p.m. Monday when he was "physically assaulted" by an inmate, WFAA previously reported. He was taken to a Baylor hospital in Waxahachie where he died, officials said.
Arron Semeion Thompson, 45, of Ennis, was charged with Murder. Thompson had been jailed on three counts of assault on a public servant charges when the incident happened Monday.
Bias is the second detention officer to be killed by an inmate in the line of duty this century, according to data from the Texas Commission on Law Enforcement and officials with the Texas Commission on Jail Standards.
Bowie County Deputy Sherri Jones, 54, died in 2011 after an inmate she was escorting from a court hearing to a van overpowered her, grabbed her pistol, shot her and fled in the van, NBC News previously reported. The inmate was sentenced to 30 years in prison for her murder.
Thirteen other jailers and detention officers have been killed by inmates in jail custody, according to data from the Texas Commission on Law Enforcement. Most of those incidents (seven) occurred in the 1800s.
In 1987, Jailer Wesley Alford, 22, was shot and killed by an inmate during an escape, according to the Officer Down Memorial Page. The inmate had been convicted of aggravated robbery and was awaiting transfer to the state prison.
The Texas Ranger Division and the Texas Department of Public Safety are investigating Officer Bias' murder.
Read more about jailers killed in the line of duty in Texas: