EXCLUSIVE: Human trafficking fueling the marijuana industry

While two thirds of U.S. states have legalized cannabis, a patchwork of rules and regulations means there is still a huge black market which has seen a surge in human trafficking, according to law enforcement. Products that victims grow and cultivate often end up in legal dispensaries, where consumers don’t know what they are supporting. In an exclusive NBC News investigation, Jacob Soboroff followed the San Bernardino County Sheriff’s Department to a raid of a black market marijuana farm.