51.   However, Barry Fletcher, a spokesman for U.N. police, said Wednesday police were still investigating the case and had not yet determined a motive.

52.   Investigation was continuing to determine the motive behind the attack, and if the man had acted alone, police said.

53.   Investigators had not determined the motive for the attack and did not release names of the victims.

54.   Investigators have not determined a motive, although robbery was suspected.

55.   Investigators in Krefeld, meanwhile, were still trying to determine the motive behind an arson fire that killed a Turkish woman and two of her teen-age children.

56.   Investigators were trying to determine the motive for the slayings.

57.   Investigators have not yet determined a motive for the murder.

58.   Investigators were trying to determine a motive for the slayings, Moore said.

59.   Investigators were trying to determine a motive.

60.   Investigators were Wednesday interviewing witnesses to determine a motive for the killings.