Al-Qaeda claims it planned Paris attack but serious questions remain

Yemen's al-Qaeda branch on Wednesday said it carried out the deadly Jan. 7 assault on the satirical publication Charlie Hebdo to avenge cartoons depicting the Prophet Muhammad. The group called for unity among jihadi ranks and vowed more attacks on the West.

If confirmed, that would mean the Paris attack was years in the making.

See also: The hunt for Charlie Hebdo: Paper sells out in minutes across Paris

But the group provided no proof to back up its claims, leaving lingering questions over the exact relationship between the attackers and the militant group's leadership in Yemen. Read more...

Evidence that supports al-Qaeda's claim

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