ten rounds of ammunition, five of which were already loaded in the revolver. Soon after, the Yellow Top taxi approached the gate. The front seat passenger, Ching Boon, alighted from the taxi with the icepick hidden in his waist and approached the sentry, flashing his NS Police Warrant. He lied to Lee that he and Hwee Kuan were from the PRU base and asked his help to carry Hwee Kuan from the backseat of the taxi, where he was apparently heavily drunk. Believing this to be a genuine emergency, Lee left his post and followed Ching Boon to the taxi. Once Ching Boon opened the rear back door of the taxi, he allowed Lee to look into the taxi first, whereupon Hwee Kuan quickly grabbed the surprised policeman and pulled him into the rear seat. Ching Boon helped to push the struggling man in, slammed the door shut and quickly returned to his front seat. En route, he noticed what appeared to be figures looking at his direction from the police quarters and hurriedly asked Chin Hock to leave. As the taxi sped away along Upper Aljunied Road, Hwee Kuan stabbed the knife into Lee's neck and removed his revolver which was handed over to Ching Boon. As Hwee Kuan struggled to remove the blade from the cop's neck where it had become stuck, Ching Boon grabbed the second knife and stabbed the still struggling NSF (Full-time National Serviceman) several more times in the neck and upper body from the front seat, in the midst of which he accidentally cut Hwee Kuan's index finger. By the time Lee's body had stopped moving, his blood had spilled all over the back seat and onto Hwee Kuan's clothes. Chin Hock was instructed to stop the taxi five minutes later at Kallang Bahru, where Ching Boon rummaged the dead policeman's uniform and retrieved all ten rounds of ammunition. Ching Boon collected the knife from Hwee Kuan and instructed him to hide in the bushes while he and Chin Hock left the scene to collect clean clothing from Ching Boon's home. They returned ten minutes later and Chin Hock dumped the bloodied clothing into a plastic bag containing clean clothing he changed into. The three proceeded to leave, before being stopped by a man, who turned out to be Constable Siew Man Seng. Arrest and investigation A patrol car spotted the abandoned taxi and