Numb3rs Fanfic Finders

Hi I´m looking for  fic it was Charlie/Coop I think that Charlie was giving a conference in Menphis or Missisippi and Coop was there too and Charlie gets kidnapped and Don comes and they go looking for him and in a part the author says something about they-(Coop and Don)-are furious
isn´t much I´m sorry but help will be thanked forever