41.   But scientists say the roots of the problem go beyond such incidents and are increasingly a grim mystery, prompting a redoubling of protective efforts and detective work.

42.   But repoing goes beyond detective work.

43.   But now the benefactors have come forward, and truth be known, it would not have taken great detective work to unmask them.

44.   But thanks to some old-fashioned detective work, Sipowicz and Sorenson coerced a dope-smoking nut job who had it in for prostitutes to confess.

45.   But the termites are hidden so well that it requires detective work to find them.

46.   By then, the teachers were deep into amateur detective work.

47.   Chautauqua County officials described the Williams case as a complicated puzzle that was pieced together with medical detective work over more than a year.

48.   Commercial filtering programs like SurfWatch, which use technological innovation and hacker detective work to find and block Internet sex offerings en masse, are already on sale.

49.   Deputy Chief Charles Kammerdener, the commander there, points to a number of technological innovations that speed detective work.

50.   Does a little detective work on the side.