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Behind the investigation into London attack

Name: Behind the investigation into London attack
Uploaded: 2017-03-23T07:07:00-0400
Duration: 2 min 27 s
Description: CBS News senior national security analyst Fran Townsend, a former homeland security adviser to President George W. Bush, joins "CBS This Morning" to discuss the investigation process into Wednesday's London attack near the British Parliament.

CBS News senior national security analyst Fran Townsend, a former homeland security adviser to President George W. Bush, joins "CBS This Morning" to discuss the investigation process into Wednesday's London attack near the British Parliament.