51.   But because it had been embalmed, he said, investigators were unable to obtain a DNA sample, and further identification was impossible.

52.   But aides to Starr said that investigators were far from concluding their inquiry and that his anticipated resignation did not mean that it was drawing to an end.

53.   But federal and city investigators were less categorical.

54.   But he pointed out that the federal and state investigators had been unable to find many passengers who flew on the planes with infected people.

55.   But he said, investigators were desperate to find the missing model.

56.   But he said investigators were satisfied that they had sufficient scientific evidence on the origins of the fire and were focusing now on who had started it.

57.   But he said that that investigators were unable to confirm it.

58.   But he said he was confident that investigators would be able to determine if an envelope contained anthrax.

59.   But in announcing the arrest, Detective Brian Carr said investigators were confident that they had found the gunman based on evidence and witness identifications.

60.   But for more than a year, criminal tax investigators have been hot on his trail.