Joseph B. Trujillo, 44, was charged with aggravated cruelty to animals.
Trujillo, who is also facing habitual criminal charges, is scheduled to be sentenced June 20, 2008.
Several witnesses reported to officers that Joseph Trujillo became upset with Elaine Ulibarri's 5 year old Chihuahua and beat it do death with a shovel, afterwards throwing the carcass in a dumpster.
"He went out to eat afterwards like nothing happened," Ulibarri said. "No mercy at all."
Joseph denies all charges