that was new to us. reporter: the two drugs are synthetic designer drugs, chemicals designed to imitate the high of the banned drug lsd, so potent, a dose the size of a few grains of salt is enough to get high. north dakota s top federal drug prosecutor had never heard of them and neither had christian bourke s parents. i had to go to the internet and look up information on it. i really didn t understand the whole synthetic drug. i didn t know what it was. didn t know how dangerous they were. the message we got on the internet was somebody said it was okay for these drugs to be on the street. and they had been tweeted. but that s all we knew.