51.   The police declined to speculate on the motive behind the killings.

52.   The motive behind recent central bank punt selling still remains unexplained.

53.   The motives behind the abductions are not purely financial.

54.   The profit motive behind all of that is strong, no doubt.

55.   The police are continuing their investigation into the motives behind the threats.

56.   The president did not question the motives behind the allegations.

57.   The room was silent as Behring explained the motive behind his move, according to those in the closed-door meeting.

58.   The streets have been quiet for the last two days as investigators try to piece together the motives behind the shootings and determine if they were related.

59.   The ulterior motives behind all the praise are even more intriguing...

60.   There may be any number of motives behind the effort to improve the department and burnish its reputation.