21.   His killing has the potential to unravel the prevailing paramilitary cease-fires that have given Northern Ireland a hope for peace.

22.   Investigators say the killing has the hallmarks of an ETA attack.

23.   Investigators suggested the killing had the markings of a professional hit.

24.   Neither was training to be a teacher, and the killing had no evident link to their sexual orientations.

25.   Not every killing has the potential to erupt into a blood feud, and most Albanians continue to reject the whole idea.

26.   Six Red Cross workers were murdered in Chechnya last month and the killings have yet to be solved.

27.   The killing had all the trademarks of a contract hit, which have become common in Russia and are rarely solved.

28.   The killing had to stop, he said, and called on anyone with information to come forward.

29.   Fawehinmi, a lawyer, suggested the killing could have had a political motivation.

30.   Party spokesman Oleg Kravchenko said the killing had a political motive.