prostitute in colombia. the post was tipped off to the allegations by former post reporter ronald kesler. kesler and on cnn this morning and he says a dozen agents were involved. all 12 agents involved in this situation involving prostitutes. one of the agents did not pay one of the prostitutes and she complained to local police and that s how this all started. police went to the state department. state department told secret service. secret service recalled all the agents. it is really the biggest scandal in secret service history. lothian traveling with the president. dan, i understand you found some information about this scandal and investigation? that s right. this information coming from two u.s. government sources who tucked to my colleague john king. early investigation according to the sources several prostitutes brought back to the hotel by these agents. one of those sources telling our john king that it was the same hotel that president obama was to be stayin