| The Criminal | His act of animal cruelty | His crime(s) against human(s) |
| Micheal Cartier | pulled a rabbit's legs out of its sockets when he was four years old! and threw a kitten through a closed window. | Shot Kristin Lardner three times in the head. She died. |
| Henry Lee Lucas | killed animals and had sex with their corpses | killed his mother, his common law wife and an unknown number of people |
| Edward Kemper | cut up two cats | killed his grandparents, his mother, and seven other women |
| Theodore Robert Bundy | witnessed animal cruelty by his grandfather | killed thirty-three women |
| Jeffrey Dahmer | participated in the deliberate killings of animals by car. | murdered 17 men and cannibalized them |
| Richard Allen Davis | set "cat fires" | murdered Polly Klaas, age 12 |
| Richard Speck | threw a bird into a ventilator fan | killed eight women |
| Randy Roth | taped a cat to a car's engine and used an industrial sander on a frog. | killed two of his wives and attempted to kill a third. |
| David Richard Davis | shot and killed two healthy ponies, threw a wine bottle at a pair of kittens, hunted with illegal methods | murdered his wife, Shannon Mohr Davis, for insurance money | Peter Kurten The Dusseldorf Monster |
tortured dogs, practiced bestiality while killing the animal | murdered or attempted to murder over 50 men, women, and children. |
| Albert De Salvo The Boston Strangler |
Would place a dog and a cat in a crate with a partition between them. After starving the animals for several days, he would remove the partition and watch them kill each other | Raped and killed nine women by strangulation. He would often pose the bodies in a shocking manner after death. | Richard Trenton Davis The Vampire Killer of Sacremento |
Bit the heads off birds, drained animals for their blood, killed animals for their organs | Killed six people in random attacks. One police officer who was at the scene of the first murder confessed to having nightmares about the crime for months afterwards |
| Luke Woodham | Set fire to his own dog, Sparkles. He poured accelerant down her throat and set fire to her neck both inside and outside. | Went on a shooting spree which killed two girls ages 16 and 17 after stabbing his mother to death. He is 16 years old. |
| ``Kobe Killer'', as of yet unnamed 15 year old boy in Japan | Beheaded a cat and strangled several pigeons. | Decapitated 11-year-old Jun Hase, and battered to death a 10-year-old girl with a hammer and assaulted three other children in separate attacks. |
| Richard William Leonard | His grandmother forced him to kill and multilate cats and kittens when he was a child. | Killed Stephen Dempsey with a bow and arrow. And killed Ezzedine Bahmad by slashing his throat. |
| Tom Dillion | Randomly shot people's pets | Shot and killed five men: Jamie Paxton, 21 Claude Hawkins, 49 Donald Welling, 35 Kevin Loring, 30 Gary Bradely, 44 |
| Eric Smith | At the age of nine he strangled a neighbor's cat, a Siamese | At the age of thirteen, Smith bludgeoned Derrick Robie aged four to death. Smith lured the little boy into the woods, choked him, sodomized him with a stick, then beat him to death with a rock. |
| Jack Bassenti | When his dog had puppies, he buried all but one of them alive. | Raped and murdered three women |
| David Berkowitz Son of Sam |
poisoned his mother's parakeet out of jealousy | shot thirteen young men and women six people died and at least two suffered permanent disabilities |
| Arthur Shawcross | Repeatedly threw a kitten into a lake until the kitten drowned from exhaustion. | killed a young girl then... after serving 15 and 1/2 years in prison, killed 11 more women |
| Michael Perry | He decapitated a neighbor's dog | Killed his parents, his infant nephew, and two neighbors. |
| Jason Massey | Killed cats, dogs, and cows | killed his thirteen year old stepsister and a fourteen year old boy. |
| Patrick Sherrill | Stole neighborhood pets and encouraged his dog to attack them | killed 14 people at his workplace |
| Keith Hunter Jesperson The Happy Face Killer |
strangled a cat in an ongoing pattern of animal abuse condoned by his father | confessed to killing eight women |
| Joel Steinburg | refused medical treatment his adopted daughter Lisa's pet rabbit when it broke its leg. | Killed his adopted daughter, Lisa, age six. Lisa also suffered from extensive bruises all over her body. Her hygene was very poor, and Steinburg was seen tossing Lisa into the Atlantic surf at the beach. |
| Christine Falling | Tortured and killed cats to see if they really had nine lives | murdered five children and one elderly man by the age of nineteen |
| Rod Ferrel leader of a gang of teen "vampires" |
In October of 1996, broke into an animal shelter, beat dogs, and multilated puppies. Before that, he had been torturing and killing cats and dogs from the age of nine to the age of sixteen. | At the age of sixteen, he bludgeoned an elderly couple, parents of another gang member, to death. He is now on death row. |