William George Davis

William George Davis (born February 3, 1984) is an American serial killer and former nurse. He was convicted of capital murder for killing four patients with air injections after they received heart surgery at Christus Trinity Mother Frances Hospital in Tyler, Texas. Prosecutors claimed that Davis had at least 11 victims in total, of whom seven died. Charges were only brought against Davis for four deaths due to the difficulty in proving the others.

Murders, arrest, and trial From 2017 to 2018, multiple patients experienced unexplained complications after heart surgeries while in recovery. Davis was discovered after doctors observed air in the brains of patients on CT scans. Security footage was also captured of Davis in the patients' rooms just before complications started. Davis was fired from his job as a nurse at the hospital a month before he was arrested in April 2018. They also said Davis had "enjoyed" carrying out the murders and "liked to kill people."

On October 27, 2021, Davis was sentenced to death after about two hours of jury deliberation. The sentence was automatically appealed. In a 2022 prison interview for a true crime docuseries, Davis also confessed to an additional murder of a 96-year-old woman in 2016.