December 20, 2013 After a 2012 scandal involving some Secret Service personnel conduct in Colombia, Homeland Security's inspector general launched an investigation into the agency's culture.
November 14, 2013 After one senior supervisor allegedly left a bullet behind in a woman's hotel room, an investigation led to alleged sexually suggestive emails he and another agent sent to a female agent.
February 1, 2013 The retirement comes after a tough year for the service, which was rocked by a prostitution scandal that resulted in the resignation or firing of six agents.
June 15, 2012 The data, going back to 2004, total 229 pages. The list does not detail confirmed cases of misconduct, but rather accusations of such misbehavior as involvement with prostitutes.
May 23, 2012 At the first congressional hearing into the scandal, Republican Sen. Susan Collins of Maine will make the case that Secret Service supervisors have turned a blind eye to bad behavior.
April 27, 2012 The rules cover alcohol consumption and the types of businesses traveling staff can patronize.
April 26, 2012 A CBS/KIRO-TV reporter says he's found evidence that Secret Service agents, along with military escorts, patronized a strip club in March, 2011, in El Salvador. That's a year before the current Secret Service scandal involving prostitutes in Colombia.
April 25, 2012 Some of the agents accused of cavorting with prostitutes in Colombia say similar behavior had been overlooked in the past, The Washington Post reports. Homeland Security Secretary Janet Napolitano says there's no evidence of that so far.
April 24, 2012 Secret Service agents and U.S. military personnel allegedly cavorted with prostitutes in Cartagena, Colombia, earlier this month.