11.   Since no one heard two shots, the killer must have used a silencer, which has not been found, he said.

12.   She said the killer had used an automatic rifle.

13.   The killer uses a Russian-made TT pistol and leaves the taxis and the money inside intact, police officials said.

14.   The killer used a machete, screwdriver, kitchen knife, scissors, revolver and semiautomatic firearm, investigators said.

15.   The killer uses plastic sheeting to strangle his victims and is fond of scrawling angry, moralistic messages on their backs in blood-red marker.

16.   The killers used a mobile phone rigged with explosives.

17.   The killers used an explosives-rigged mobile phone.

18.   Yaffe confirmed the victims were beaten with blunt instruments, but would not say whether the killers used stones.

19.   He said his killers had used acid to dispose of the body.

20.   Witnesses said the killers used a brand-new white Toyota saloon in the attack.