. >> this is harry -- >> but that all changed in 1930. >> a relentless warfare. >> henry anslinger.he united states first drug czar. for him, public enemy number one, you guessed it, marijuana. this guy saw how he could increase the budget of his department by having this mission, going after marijuana. >> you know, saying there is this drug that the mexican migrant workers are smoking, and it's loco weed and it's going to make them crazy and they're going to rape your women. >> he got the anti-marijuana message out through news report, and then came this. >> convinced that he is hopelessly and incurably insane. >> the film "reefer madness," portraying the users of marijuana as unproductive, crazed. >> people are still afraid of what pot can do to them. >> in many ways to have defined our attitudes for 70 years. >> yeah. >> marijuana then became illegal in 1937. and by 1970, it was schedule 1 controlled substance. the government was saying it had no medicinal value, and had a high potential for abuse. all reasons why the figges stayed away from marijuana, until this. and this might