Police officers investigating the fatal stabbing of nine-year-old Anthony Maldonado stumbled upon a separate horrific crime.
While reviewing surveillance tapes from an elevator in the apartment complex where Maldonado was murdered, police spotted Chris Grant violently attacking his girlfriend's dog.
Grant can be seen calling the dog, a 10-pound Pomeranian-Chihuahua named Chuvi-Duvi, to jump on his leg, only to then repeatedly kick the animal.
Grant has been charged with torturing and injuring an animal and resisiting arrest. Chuvi-Duvi is recovering at Bergh Memorial Animal Hospital on the Upper East Side.
WARNING EXTREMELY VIOLENT VIDEO: