After a plane journey in shackles, an Iranian woman found herself in the middle of Africa in a country she did not know existed. She is one of thousands deported from the US on the back of shadowy deals made with dozens of countries. An in-depth investigation reveals the ‘show of force’ costing American taxpayers millionsNo one would tell the shackled detainees onboard the US immigration plane where they were going. The officers in charge would taunt them when they asked, they said. It was o