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Which is the deadliest terror group in the world?

Name: Which is the deadliest terror group in the world?
Uploaded: 2015-11-18T16:48:27-0500
Duration: 1 min 2 s
Description: Despite recent attacks led by ISIS, including the terror attacks in Paris, Boko Haram was deemed as the most deadly extremist group in 2014. CBSN's Vladimir Duthiers has more.

Despite recent attacks led by ISIS, including the terror attacks in Paris, Boko Haram was deemed as the most deadly extremist group in 2014. CBSN's Vladimir Duthiers has more.