Accused cat killer arraigned - grisly details released

A south Florida teenager, accused of killing more than a dozen cats, was arraigned Monday morning in Miami-Dade court.

Tyler Hayes Weinman's sealed affidavit was also released. The details released in the affidavit include:

- One cat's head was smashed on a sidewalk

- A few cats were slashed open and disposed of at a different location

- Some cats were decapitated

- Some cats had their groins mutilated

- When detectives told Weinman that cats in his neighborhood were being killed, he laughed.

- When police first pulled Weinman over in his car for running a stop sign, they found cutting devices and marijuana in his car. He also had scratch marks on his neck and back, consistent with those from a cat.

- Weinman told police he "despises" his father and after being expelled from high school due to marijuana, said he didn't need to go to school because his "grades were off the chart."

- Weinman became excited when discussing cat dissection at high school and told detectives that when skin is torn from a cat, it "makes a certain sound."

- Staff Doctors from the Psychological Services Section said the person responsible for killing the cats are suffering from a Conduct Disorder and would be a Sociopath

- Weinman's teachers said he was troubled, frequently late and had a bad attitude.

- Weinman became a member of a Facebook group called "Catch-The-Cat-Killer!"

Weinman is charged with 19 counts of animal cruelty and improperly disposing of an animal's body. He also faces four counts of burglary related to the cat deaths.

Weinman is free on bond.