Stacey Dooley Investigates: Nigeria's Female Suicide Bombers

Boko Haram is ranked as one of the world's deadliest terrorist groups. It's shock tactics include the mass kidnapping of schoolgirls and the use of female suicide bombers. In the city of Maiduguri in North East Nigeria Stacey Dooley meets Falmata. She was kidnapped by Boko Haram at the age of 13, forced to marry three times and finally strapped to a suicide belt and sent out on a bombing mission.