Â鶹Éç

Available for over a year

A Boko Haram video of more than 100 Nigerian schoolgirls kidnapped by the militant group is being analysed by security experts for any clues it might provide about where they're being held. John Kennedy is a forensic video analyst who's worked with intelligence services on a number of similar cases in the past. (Photo: A still from the video released by Boko Haram showing the abducted schoolgirls. Credit: AFP)