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HUNTSVILLE, Texas — A Texas inmate shouted “Wow” during his execution, describing lethal injection as being “awesome” and thanking the warden.

Texas executed 29-year-old Richard Cobb on Thursday for the 2002 abduction and killing of a man outside of the town of Rusk, southeast of Dallas, according to state officials.

“Life is death, death is life. I hope that someday this absurdity that humanity has come to will come to an end,” Cobb said, when asked if he had any last words. “Life is too short. I hope anyone that has negative energy toward me will resolve that.”

The Associated Press reported that just before the lethal drug took effect, Cobb twisted his head back, raised it off a pillow placed on the gurney and then toward the warden standing behind him.

“Wow!” the inmate said loudly. “That is great. That is awesome! Thank you, warden! Thank you (expletive) warden!”

His head fell back and a physician entered the death chamber and pronounced him dead about 15 minutes later.

Cobb was convicted of kidnapping Kenneth Vandever, 37, during an armed robbery at a convenience store and then shooting him and leaving him for dead in a field.

He was the fourth person to be executed in Texas this year.

Read more: The Associated Press.