How are so many prisoners escaping in Nigeria?

Africa Daily - A podcast by BBC World Service

Nigeria’s prisons are overcrowded and a majority of inmates are still awaiting trial. In the last year, the has been a spate of attacks on jails by armed gangs. They’ve freed more than 5000 prisoners…many still haven’t been recaptured. So, why are so many prisoners escaping? And can anything be done to stop it?#AfricaDailyHost: Alan Kasujja (@kasujja) Guests: Yusuf Akinpelu (@akinpeluyusuph) Francis Enobore