A Recent History of House Members Facing Ethics Probes--PICTURES

The House Ethics Committee announced on March 23 that it is reviewing whether to open an investigation into efforts by Rep. Shelley Berkley, D-Nev., to aid a kidney transplant program that has ties to her husband. (AP Photo/Cathleen Allison)

Rep. Maxine Waters, D-Calif., has had an open ethics case since 2010 for allegedly steering financial-bailout funds to a minority-owned bank in which her husband held a stake. (HARRY HAMBURG/AP)

Rep. Jesse Jackson Jr., D-Ill., faced an Ethics Committee investigation in August 2011. (CHARLES REX ARBOGAST/AP)

Rep. Alcee Hastings, D-Fla., has recently been involved in two ethics probes, one involving allegations that he and other lawmakers pocketed per diem allowances, and another for allegedly sexually harassing a staffer. (MANUEL BALCE CENETA/AP)

Rep. Charles Rangel, D-N.Y., was censured by the House of in December 2010 following an ethics investigation. (SUSAN WALSH/AP)

Rep. Laura Richardson, D-Calif., has faced two full-scale investigations in two years. (J. SCOTT APPLEWHITE/AP)

Rep. Bennie Thompson, D-Miss., who was cleared in an ethics probe in 2010, says that the bar is lower for launching an inquiry when it comes to African-Americans. (MANUEL BALCE CENETA/AP)

Rep. Vern Buchanan, R-Fla., is currently being examined by the Ethics Committee for omitting information from financial disclosure forms. (STEVE NESIUS/AP)

Rep. Gregory Meeks, D-N.Y., is under the microscope for failure to disclose a $40,000 payment he said was a loan. (JASON DeCROW/AP)

Freshman Rep. Michael Grimm, R-N.Y., currently is facing calls for Ethics Committee and Justice Department probes after revelations of improper campaign contributions. (CAROLYN KASTER/AP)