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How authorities are learning about the pipe bomb sender


As authorities analyze the devices and the envelopes each was mailed in, Ali Velshi takes a look at what they’re learning about the suspect, building a profile, and what consequences the pipe bomb maker could face when they are caught. Weighing in: MSNBC Legal Analyst Danny Cevallos, NBC News Reporter Ben Collins, and former FBI Field Profiler Candice DeLong.