MSNBC Live with Tamron Hall 12/04/15

'So much planning' behind shooting rampage

Malcolm Nance from the Terror Asymmetrics Project joins MSNBC's Tamron Hall to provide insight on the shooters responsible for Wednesday's rampage in San Bernardino, Calif., and details Tashfeen Malik's statement pledging support to ISIS. ... more Duration: {{video.duration.momentjs}}