Why attackers use vehicles as weapons to kill innocent people in crowds

When an Army veteran “hell-bent” on creating carnage rammed a 6,000-pound pickup truck into a crowd of revelers, the massacre in New Orleans followed a disturbing trend – assailants using vehicles to run over innocent civilians.

​ When an Army veteran “hell-bent” on creating carnage rammed a 6,000-pound pickup truck into a crowd of revelers, the massacre in New Orleans followed a disturbing trend – assailants using vehicles to run over innocent civilians. Read More Breaking News, Latest News and Videos | CNN