The breeder whose dog sired Niko, the 130-pound dog who killed a 4-year-old Houma girl in March, says his animal is being wrongly blamed. "I know everyone is blaming Kimbo, and I don't think it's right," said Gustavo Castro, a California man, in a conversation via Facebook messenger. Kimbo, famous in the world of XL American bully breeding, was Niko's father. After Niko's attack, several other owners of Kimbo's progeny said in online forums that their dogs were also unstable. One man, Zach Dank, said his Kimbo son attacked him, breaking his forearm and tearing through the muscle. He said...