A watchdog group released its annual list of the 15 most corrupt members of Congress this week, including some members who are known to be under investigation for ethical breaches and some who are not.

The list, compiled by Citizens for Responsibility and Ethics in Washington, includes seven Republicans and eight Democrats. One member of congressional leadership, Senate Minority Leader Mitch McConnell, R-Ky., is on the list, which also includes: Sens. Roland Burris (D-Ill.) and John Ensign, (R-Nev.); and Reps. Vern Buchanan (R-Fla.), Ken Calvert (R-Calif.), Nathan Deal (R-Ga.), Jesse Jackson, Jr. (D-Ill.), Jerry Lewis (R-Calif.), Alan Mollohan (D-W.Va.), John Murtha (D-Pa.), Charles Rangel (D-N.Y.), Laura Richardson (D-Calif.), Pete Visclosky (D-Ind.), Maxine Waters (D-Calif.) and Don Young (R-Alaska).

The most common charge lobbed by CREW against lawmakers on the list is channeling funds to friends and family via earmarks.

Under the Influence reported last month on CREW's list of lawmakers known to be under investigation at that time. Six members on the new "Most Corrupt" list -- Buchanan, Calvert, Deal, Ensign, McConnell and Waters -- were not on that list, though CREW now reports that Buchanan, Calvert and Ensign are under investigation.

The new report also checked up on those who made the list between 2005 and 2008. Of those 48 lawmakers, 27 are no longer in office.