Kidnapping for ransom has become one of the most reported crimes in Nigeria. Hundreds of people are being held by gangs across the country, and in a recent case, dozens of passengers were kidnapped from a bus.
Related stories: Video - More than 300 schoolgirls abducted in Northwest Nigeria
Video - Why are school children increasingly being kidnapped in Nigeria?
Video - Freed schoolboys arrive in Nigeria’s Katsina week after abduction
Boko Haram claims responsibility for kidnapping hundreds of boys in Nigeria
Nigeria pays $11 million as ransom to kidnappers in four years
American rescued in daring SEAL Team 6 raid in Nigeria
Kidnapping in Nigeria on the rise