The assassin who was garlanded: Orla Guerin on murder on the streets of Islamabad and the extent of extremism in Pakistan. Mark Doyle returns to his old stamping ground in Ivory Coast and visits the hotel that once gave pony rides to his son and now is a sanctuary and a presidential office at the same. Jonathan Fryer is in Azerbaijan looking at the city of Baku: crossroads between east and west; Justin Rowlatt is investigating Chinese economic activity in Brazil while Tim Ecott’s at the remote Indian Ocean island that brings together some scientists, a hundred thousand turtles and the occasional stranded Somali pirate.