 The gun used to kill Ponnambalam is believed to be a Browning 9 mm and is presumed to have had a silencer as no one in the neighbourhood heard any shots.There was no sign of Shantha though according to the police another person had been sitting in the rear seats of the car.According to Ponnambalam's family Shantha had been speaking to Ponnambalam on the phone since November 1999.