Mount Vernon murders (1978)
The three friends, all aged 21, wanted a gun so they could become robbers. They planned to steal a gun from the sentry at a police reserve unit in Mount Vernon.
Ritual murders (1981)
Adrian Lim, a charlatan medium seen by many as the very embodiment of evil, and his two “holy” wives, kidnapped, tortured and killed a pair of children. Lim, who was being investigated on a rape charge, wanted to exact revenge on the police by murdering children.