While Sheppard (Joe Flanigan) investigate the apparent death of Major Lorne (Kavan Smith) and his team, the Genii resurface to cause more problems. Coup D’Etat was written by Martin Gero and it was first aired on 17 February, 2006. Ladon (Ryan Robbins) of the Genii reaches out to Atlantis with the reveal that Cowen (Colm…