Story highlights Pablo Vasquez apologizes to family of victim before he is put to death

Pablo Vasquez was convicted in the 1998 death of a 12-year-old David Cardenas

Vasquez reportedly told police he drank the boy's blood and tried to decapitate him

(CNN) Pablo Vasquez, a Texas man who killed a 12-year-old boy in 1998 and reportedly drank his blood after a satanic calling, was executed Wednesday, the Texas Department of Criminal Justice announced.

"I am sorry to David's family. This is only way that I can be forgiven. You got your justice right here," Vasquez said.

Vasquez, 38, had appealed his execution, but a stay was denied and he was put to death at 6:35 p.m.

Vasquez was convicted of killing 12-year-old David Cardenas in Donna, Texas, 18 years ago. Authorities said Vasquez and his cousin met the boy at a party.

On the night of April 18, 1998, "Vasquez struck the victim in the head with a piece of pipe and a shovel," the Department of Criminal Justice said. "The victim's body was buried behind a residence. ... Vasquez took a ring and a necklace from the victim."

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