An 18-year-old Tennessee woman is facing animal cruelty charges after police said she brutally killed her grandmother's dog.

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Police were called Nov. 13 to a home in southeast Memphis, WHBQ reported.

Kyoko Smith, 18, cut the head off a Shih Tzu dog that belonged to her grandmother, police said. Smith put the head of the dog in her dresser, then placed the heart of her dog in the freezer, according to police.

Smith was charged with killing an animal, which is a class E felony. She was released from jail on a $5,000 bond.

Investigators said Smith admitted she killed the dog, according to WHBQ.

Police said someone received pictures of the dead dog from Smith.

It is unclear why Smith killed the animal, police said.

Court records show Smith is expected to appear in court Monday, WHBQ reported.