1.   A spokeswoman for the FBI, Susan Lloyd, said that the gunman used either an automatic or semiautomatic weapon.

2.   In five robberies, the gunman used a chemical spray to subdue employees while he took money from cash registers.

3.   Israelis say Palestinian gunmen use ambulances to hitch rides to their posts and have even shot at Israelis from them.

4.   It is located in a volatile area, where Palestinian gunmen use abandoned buildings to shoot toward Israeli troops.

5.   It said the gunmen used their official connections to cover drug smuggling, money laundering, and the killing of business rivals.

6.   Other investigators said that, in addition to a telescopic sight, the gunman may have used a prop to steady the barrel of the weapon.

7.   Palestinian gunmen use some neighborhoods to launch attacks.

8.   That raises the prospect that gunmen could be using civilians for shields, as they appeared to do in Jenin.

9.   The army said it had leveled the buildings because they were being used by gunmen to fire on its bases.

10.   The Israelis charged that the Palestinian gunmen also used civilians for protection, refusing to let them leave buildings from which snipers were firing.