11.   The latest killing has environmentalists calling for FBI and National Guard intervention.

12.   The killings had all the hallmarks of a premeditated ambush, British investigators said.

13.   The killing has yet to be solved.

14.   The violence has put pressure on the British authorities to calm the situation, but some Protestants said the killings have a momentum of their own.

15.   Yet she admits that the recent school killings have elements of both.

16.   Political opposition leaders and the Roman Catholic Church claim the killing had political motivations.

17.   But investigators, also requesting anonymity, said the killing probably had political overtones.

18.   But investigators said on condition of anonymity that the killing probably had political overtones.

19.   Earlier, under questioning from the prosecution, Lange said the killings had none of the hallmarks of a drug hit.

20.   He said five suspects had been arrested and an investigation was underway to determine whether the killing could have political overtones.