Court papers filed on Tuesday singled out just one member of Congress, "Representative No. 1," identified elsewhere as Representative Bob Ney, Republican of Ohio.
But that was cold comfort on Capitol Hill, where there was a sense of lawmakers and lobbyists' waiting for the other shoe to drop. In a city whose history is rife with scandal and the political price it exacts, from the F.B.I. sting operation known as Abscam to the savings and loans collapse involving "the Keating Five," some experts feared that the Abramoff investigation would eclipse all the rest.