Nearly five weeks after Hillary Rodham Clinton's marathon testimony on the 2012 attacks in Benghazi, Libya, several investigations into the deadly assault and Clinton's use of a private email account and server are going full bore â and likely will continue into the presidential election year. Republicans on the House Benghazi panel were traveling to Europe, while Senate investigators continue to probe Clinton's use of a private homebrew email server for business purposes and her decision to delete messages she deemed personal.