Wendell Arden Grissom was executed by lethal injection nearly two decades after he shot Amber Dawn Matthews in the head as ...

Wendell Grissom received a lethal injection at the Oklahoma State Penitentiary and was pronounced dead at 10:13 a.m.

Learn more about a new approach to drug delivery, which could cut the frequency and pain of long-lasting injections through ...

Oklahoma executed a man Thursday morning 20 years after he murdered a woman during a home invasion and robbery.

Promising results from an early-stage trial suggest that lenacapavir injections might offer long-lasting protection.

Four executions are scheduled this year with a new lethal injection protocol and the ethical and legal debate is intensifying.

An Oklahoma man has been executed for fatally shooting a woman during a home invasion and robbery 20 years ago.

Wendell Grissom, 56, was pronounced dead by lethal injection at 10:13 a.m., Steven ... where Matthews and two young children were. Kopf was shot three times by Grissom, but escaped to get help.