How #BringBackOurGirls spread around the world

Aired: 5/9/2014 | 0:03:29 | Clip
Nearly a month since the Islamist group Boko Haram attacked a village in Nigeria and made off with more than 300 girls, that country’s government and military have been criticized for failing to do more. Amnesty International has reported that officials failed to prevent the attack, despite being warned. Jeffrey Brown examines the international social media campaign that has sprung up in reaction.