After Sigma Alpha Epsilon's University of Oklahoma chapter was caught on tape last week singing a racist song, the fraternity has been desperately trying—and failing—to erase its racist history.

But SAE isn't the only fraternal organization to have a long and shady history of discrimination, exclusion, and racism. Nor is it the only one to maintain racist songs, traditions, or policies.

We'd love to know which fraternity chapters have a history of implicitly or explicitly denying—for example—black or Jewish members from pledging.

And since these chapters and the universities that house them aren't interested in telling us when the frats desegregated (and believe us, we've asked), we need your help.

Does your frat have a racist cheer? Does it have traditions or policies that exclude members based on race, ethnicity, or religion? The racist song SAE pledges were caught singing was apparently well-known at SAE chapters at other universities—are you familiar with a similar song or chant?

Or if your frat has since stopped regularly chanting about its exclusionary policies, do you have documents that reveal it barred black and/or Jewish members from pledging? Maybe you have archival meeting minutes or composite photos that show your frat remained suspiciously all-white well after black students were admitted to your school. We're told, for example, that at least one Johns Hopkins fraternity has minutes from a meeting years ago where its members ruled Jewish students would not be allowed to pledge. We'd love to see old meeting minutes like that.

If you have any information or documents that could uncover a frat's racist past—or present—send it to us, anonymity guaranteed. Email (or use our SecureDrop site if you're worried about anonymity!).

And if you're looking for a good place to start, here's a list of the sitting senators and congressmen who pledged traditionally whites-only fraternities while they were in college. (We're leaving congressmen who pledged to historically black frats off the list, for obvious reasons.)

There are eight SAEs on the list, including an SAE president, Rep. Mike Bishop of Michigan.

Member of Congress Fraternity, School, and Graduation Year
Sen. Richard Shelby (R-AL) Delta Chi at the University of Alabama ('57)
Rep. Bradley Byrne (R-AL) Phi Delta Theta at Duke ('77)
Rep. Robert Aderholt (R-AL) Kappa Alpha Order at Birmingham Southern ('87)
Rep. Mo Brooks (R-AL) Theta Chi at Duke ('75)
Rep. French Hill (R-AR) Phi Kappa Psi (president) at Vanderbilt ('79)
Rep. Steve Womack (R-AR) Kappa Alpha Order at Arkansas Tech ('79)
Rep. John Garamendi (D-CA) Sigma Chi at UC-Berkeley ('66)
Rep. Eric Swalwell (D-CA) Alpha Sigma Phi at University of Maryland ('03)
Rep. Jim Costa (D-CA) Sigma Alpha Epsilon at CSU-Fresno ('74)
Rep. Sam Farr (D-CA) Sigma Chi at Williamette ('63)
Rep. Devin Nunes (R-CA) Alpha Gamma Rho at Cal Poly San Luis Obispo ('95)
Rep. Alan Lowenthal (D-CA) Beta Sigma Tau at Hobart College ('62)
Sen. Michael Bennet (D-CO) Beta Theta Pi at Wesleyan University ('87)
Sen. Cory Gardner (R-CO) Farmhouse at Colorado State University ('97)
Rep. Jared Polis (D-CO) Phi Gamma Delta at Princeton ('96)
Sen. Tom Carper (D-DE) Delta Tau Delta at Ohio State University ('68)
Rep. John Carney (D-DE) Beta Alpha Omega at Dartmouth ('78)
Sen. Bill Nelson (D-FL) Beta Theta Pi at University of Florida and Yale ('65)
Rep. Ander Crenshaw (R-FL) Sigma Alpha Epsilon at University of Georgia ('66)
Rep. Ron DeSantis (R-FL) Delta Kappa Epsilon at Yale ('01)
Rep. John Mica (R-FL) Delta Chi at University of Florida ('67)
Rep. Daniel Webster (R-FL) Tau Kappa Epsilon at Georgia Tech ('71)
Rep. Vern Buchanan (R-FL) Local fraternity at Cleary University ('75)
Rep. Tom Rooney (R-FL) Lambda Chi Alpha at Washington & Jefferson ('93)
Sen. Johnny Isakson (R-FL) Sigma Alpha Epsilon at University of Georgia ('66)
Sen. David Perdue (R-GA) Delta Sigma Phi at Georgia Tech ('72)
Rep. Austin Scott (R-GA) Sigma Alpha Epsilon at University of Georgia ('93)
Rep. Rick W. Allen (R-GA) Alpha Tau Omega at Auburn ('73)
Sen. Jim Risch (R-ID) Phi Delta Theta at University of Idaho-Moscow ('65)
Sen. Mark Kirk (R-IL) Seal and Serpent at Cornell University ('81)
Rep. Adam Kinzinger (R-IL) Sigma Alpha Epsilon at Illinois State ('00)
Rep. Todd Rokita (R-IN) Sigma Chi at Wabash College ('92)
Rep. Luke Messer (R-IN) Phi Delta Theta at Wabash College ('91)
Sen. Chuck Grassley (R-IA) Alpha Gamma Rho at University of Northern Iowa ('55)
Rep. David Young (R-IA) Pi Kappa Alpha at Drake University ('91)
Rep. Steve King (R-IA) Alpha Kappa Lambda at Northwest Missouri State ('70)
Sen. Pat Roberts (R-KS) Pi Kappa Alpha at Kansas State University ('58)
Rep. Kevin Yoder (R-KS) Lambda Chi Alpha (president) at University of Kansas ('99)
Sen. Mitch McConnell (R-KY) Phi Kappa Tau at University of Louisville ('64)
Rep. Ed Whitfield (R-KY) Delta Tau Delta at University of Kentucky ('65)
Rep. Andy Barr (R-KY) Sigma Alpha Epsilon at University of Virginia ('96)
Rep. Steve Scalise (R-LA) Acacia at Louisiana State University ('89)
Rep. Charles Boustany (R-LA) Kappa Alpha Order at University of Lousiana-Lafayette ('78)
Rep. John Fleming (R-LA) Phi Delta Theta at University of Mississippi ('73)
Sen. Angus King (I-ME) Delta Upsilon at Dartmouth ('66)
Sen. Ben Cardin (D-MD) Pi Lambda Phi at University of Pittsburgh ('64)
Rep. Steny Hoyer (D-MD) Sigma Chi at University of Maryland ('63)
Sen. Gary Peters (D-MI) Zeta Sigma at Alma College ('80)
Rep. Fred Upton (R-MI) Alpha Delta Phi at University of Michigan ('75)
Rep. Mike Bishop (R-MI) Sigma Alpha Epsilon (president) at University of Michigan ('89)
Sen. Thad Cochran (R-MS) Pi Kappa Alpha at University of Mississippi ('59)
Sen. Roger Wicker (R-MS) Sigma Nu at University of Mississippi ('73)
Rep. Steven Palazzo (R-MS) Sigma Chi at University of Southern Mississippi ('94)
Sen. Roy Blunt (R-MO) Kappa Alpha Order at Southwest Baptist University ('70)
Rep. Sam Graves (R-MO) Alpha Gamma Sigma at University of Missouri-Columbia ('86)
Sen. Steve Daines (R-MT) Sigma Nu at Montana State ('84)
Sen. Dean Heller (R-NV) Sigma Nu at University of Southern California ('85)
Rep. Joe Heck (R-NV) Beta Theta Pi at Penn State ('84)
Rep. Rodney Frelinghuysen (R-NJ) Kappa Alpha Society (president) at Hobart College ('69)
Rep. Steve Pearce (R-NM) FarmHouse at New Mexico State University ('70)
Rep. Chris Collins (R-NY) Sigma Pi at North Carolina State ('72)
Sen. Richard Burr (R-NC) Kappa Sigma at Wake Forest ('78)
Rep. Richard Hudson (R-NC) Kappa Alpha Order at UNC-Charlotte ('96)
Rep. Robert Pittenger (R-NC) Kappa Alpha Order at University of Texas ('70)
Rep. Mark Meadows (R-NC) Sigma Chi at University of South Florida ('80)
Sen. John Hoeven (R-ND) Alpha Chi Alpha at Dartmouth ('79)
Rep. Brad Wenstrup (R-OH) Sigma Alpha Epsilon at University of Cincinnati ('80)
Rep. Mike Turner (R-OH) Delta Sigma Phi at Ohio Northern University ('82)
Rep. Tim Ryan (D-OH) Delta Tau Delta at Bowling Green State ('95)
Rep. Steve Stivers (R-OH) Delta Upsilon at Ohio State University ('89)
Rep. Kurt Schrader (D-OR) Phi Gamma Delta at Cornell ('73)
Rep. Pat Meehan (R-PA) Beta Theta Pi at Bowdoin College ('78)
Rep. Bill Shuster (R-PA) Sigma Chi at Dickinson College ('83)
Rep. Charlie Dent (R-PA) Phi Kappa Psi at Penn State ('82)
Sen. Lindsey Graham (R-SC) Pi Kappa Phi at University of South Carolina ('77)
Rep. Joe Wilson (R-SC) Sigma Nu at Washington & Lee ('69)
Rep. Trey Gowdy (R-SC) Kappa Omega Tau at Baylor University ('86)
Sen. Lamar Alexander (R-TN) Sigma Chi at Vanderbilt ('62)
Sen. Bob Corker (R-TN) Sigma Chi at University of Tennessee ('74)
Rep. Jim Cooper (D-TN) Chi Psi at UNC-Chapel Hill ('76)
Sen. John Cornyn (R-TX) Chi Delta Tau at Trinity University ('73)
Rep. Sam Johnson (R-TX) Delta Chi at Southern Methodist University ('51)
Rep. Kevin Brady (R-TX) Lambda Chi Alpha at University of South Dakota ('77)
Rep. Roger Williams (R-TX) Sigma Chi at Texas Christian University ('71)
Rep. Pete Sessions (R-TX) Pi Kappa Alpha at Southwestern University ('78)
Rep. Lloyd Doggett (D-TX) Lambda Chi Alpha at University of Texas ('68)
Rep. Rob Wittman (R-VA) Delta Tau Delta at Virginia Tech ('81)
Rep. Robert Hurt (R-VA) Kappa Sigma at Hampden Sydney ('91)
Rep. Dan Newhouse (R-WA) Alpha Gamma Rho at Washington State ('77)
Rep. David McKinley (R-WV) Beta Theta Pi at Purdue ('68)
Rep. Paul Ryan (R-WI) Delta Tau Delta at Miami University ('92)
Sen. John Barrasso (R-WY) Phi Kappa Tau at Rensaleer Polytechnic Institute (later graduated from Georgetown in '74)
Sen. Mike Enzi (R-WY) Sigma Chi at George Washington University ('66)

List compiled from members' biographies and information publicized by the North-American Interfraternity Conference.

[Photo Oklahoma State SAE displaying the Confederate flag via Twitter]

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