On Jan 30, 2017, he slashed his neighbour’s Russian Blue cat, when he saw it mating with one of his own cats outside his flat at Block 1 Spooner Road. Tan attack the Russian Blue cat with a carving knife, slashing its abdomen and exposing its intestines. The cat was found injured by a neighbour who called the police and the cat was died the following day afternoon. Tan and the Russian Blue cat’s owner had clashed several times previously over the cat. He had also challenged the Russian Blue cat’s owner to a fight before, saying that he had been to prison before for stabbing someone to death.