21.   The effort to trace the guns comes as new details emerge about the devastation wrought by the two gunmen.

22.   The two gunmen appeared in black clothing and ski masks that fateful spring night and ordered Brunson to open the door to his home.

23.   The two gunmen were identified as Mustafa Abu Saria, of Islamic Jihad, and Abdul Karim Abu Nasa, of Fatah.

24.   The two gunmen killed themselves inside the library.

25.   The two gunmen came from the refugee camp in Jenin, which Israeli officials have called a factory for suicide bombers.

26.   The two gunmen escaped, and there was no word of a motive.

27.   The two gunmen fired first as uniformed officers closed in on them on a narrow street, the minister said.

28.   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.

29.   The two gunmen were wearing the uniforms of Palestinian policemen, though only one of them appears to have been affiliated with the official Palestinian forces.

30.   They had parked and were approaching a staircase leading down to the restaurant, which is on a boat, when the two gunmen appeared and opened fire.