To understand how the suspect in the botched terror attack was able to board a plane, you have to understand how the counterterrorism system that President Obama says failed is supposed to work.
Jill Dougherty takes a step-by-step look at why the U.S. failed to slam the door on the alleged Christmas terror suspect.
"Let me tell you a little about me."
Moments after President Obama said a "mix of human and systemic failures" allowed a man to try to bomb a passenger jet on Christmas Day, federal agencies said they had done all they could.
It's called the Terrorist Identities Datamart Environment, and weeks before authorities say he got on a plane with a bomb, Umar Farouk AbdulMutallab was in it.
The man charged with attempting to destroy a U.S. airliner on Friday is the son of prominent Nigerian banker and had been a college student in Britain before moving to Dubai, according to family and official sources.
The U.S. Embassy in Nigeria warned Sunday that it had received threats of a possible attack on diplomatic missions in Lagos, the nation's most populous city.
Four people who initially survived a passenger plane crash in southern Nigeria have died, bringing the death toll to 107, officials in Nigeria told CNN.
Officials in Nigeria say they are investigating the cause of a passenger plane crash that killed 107 people, including at least 65 secondary school children.