Warrant: Former Texas nurse a suspect in 2 patients' deaths

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Warrant: Former Texas nurse a suspect in 2 patients' deaths
This undated photo provided by the Smith County Jail shows William George Davis. Davis, a former nurse who was fired last month from a Texas hospital, is being held on a murder charge after one patient died and two others slipped into vegetative states. The Texas Board of Nursing in March suspended Davis' license after determining he entered three patients' rooms at Louis and Peaches Owen Heart Hospital in Tyler and "performed an intervention" that either killed or critically harmed them. (Smith County Jail via AP)

DALLAS (AP) — Authorities say a nurse working at a Texas heart hospital intentionally caused stroke-like injuries to seven patients, leading to the death of two and serious injuries to the others.

An arrest warrant for 34-year-old William George Davis says security video shows him entering patients’ rooms at Christus Mother Frances Hospital in Tyler.

He’s seen leaving a short time later and then the patients suffered “unexpected medical emergencies.”

The warrant shows Davis was working the night shift when each patient suffered an emergency.

Authorities say in some cases he introduced air into their circulatory systems, leading to an air embolism.

Davis was fired in February and arrested Tuesday on a murder charge. He’s being held on a million bond.

Online jail records don’t indicate whether he has an attorney.