It would be interesting to see a scientific study on the possible link between animal cruelty and violent crimes against people. I have not seen such a study, but surely someone has investigated this. In the meantime, here are a few things to ponder:
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. When he was older, he shot Kristin Lardner three times in the head and she died.
Henry Lee Lucas killed animals and had sex with their corpses. Later, he 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 and later killed thirty-three women.
Jeffrey Dahmer participated in the deliberate killings of animals by car. He murdered 17 men.
Richard Allen Davis set “cat fires” and went on to murder Polly Klaas, age 12.
Richard Speck threw a bird into a ventilator fan. He killed eight women.
Randy Roth taped a cat to a car’s engine and used an industrial sander on a frog. He also 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. He murdered his wife, Shannon Mohr Davis, for insurance money.
Peter Kurten (The Dusseldorf Monster) tortured dogs, and practiced bestiality while killing the animal. He 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. He also 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) bit the heads off birds, drained animals for their blood, killed animals for their organs. He also 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. He later went on a shooting spree which killed two girls ages 16 and 17 after stabbing his mother to death.
Richard William Leonard’s grandmother forced him to kill and multilate cats and kittens when he was a child. He also killed Stephen Dempsey with a bow and arrow. And he 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
At the age of nine, Eric Smith strangled a neighbor’s cat, Smith also bludgeoned Derrick Robie (age 4) 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.
When Jack Bassenti’s dog had puppies, he buried all but one of them alive. He raped and murdered three women
David Berkowitz (Son of Sam) poisoned his mother’s parakeet out of jealousy and 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 decapitated a neighbor’s dog. He also killed his parents, his infant nephew, and two neighbors.
Jason Massey killed cats, dogs, and cows. He also killed his thirteen year old stepsister and a fourteen year old boy.
Patrick Sherrill stole neighborhood pets and encouraged his dog to attack them. He 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. He confessed to killing eight women.
Joel Steinburg refused medical treatment his adopted daughter Lisa’s pet rabbit when it broke its leg. He killed his adopted 6 year old daughter. Lisa had also suffered from extensive bruises all over her body. Her hygiene 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. She murdered five children and one elderly man by the age of nineteen.
Rod Ferrel was the 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.