11.   The gunmen used silencers.

12.   The gunman used a number of aliases and his name is still not known.

13.   The gunmen used duct tape to bind hands behind backs and gag mouths.

14.   The two gunmen used a stolen Israeli car and dirt roads to circumvent Israeli checkpoints, and Aweis wrote their farewell messages, videotaped before they set out.

15.   Palestinian gunmen frequently use the area as a refuge.

16.   But in all the previous cases, Israel quickly withdrew after knocking down Palestinian security buildings or outposts used by gunmen.

17.   Danica Marinkovic, a Serb official investigating the shooting, said the gunmen used automatic weapons with Chinese-made bullets typically used by the rebels.

18.   During the palace attack, the gunmen used a two-way radio system to communicate, some speaking Creole, while others spoke in English and Spanish, Maurice said.

19.   ETA gunmen have used southern France as a hideout from authorities in neighboring Spain.

20.   ETA gunmen historically have used southern France as a hideout from Spanish authorities.