chris myers, the federal prosecutor in this case, will not discuss the source of the chemicals.ot good enough for debbie and keith bjerk. >> i would like to know the name of the factory where these drugs were manufactured. >> you don't know the name of the factory? >> no. i have not been told the name of the factory. >> do they know it? >> i'm sure they do. and i would like to -- you know, i said what can i do? write letters, whatever. and i've been told that -- >> it's like -- >> -- it would be sort of pointless because it's legal in china. but the people over there need to know that these drugs are killing people. >> in north dakota the case that is now called "operation stolen youth" that began with the death of their son christian bjerk is heading back to federal court in fargo. the next chapter is about to unfold, where a nervous charles carlton, the federal prosecution's main target in this case, is about to be sentenced. >> i know that it's going to be a long time, and i know that i'm going to be severely punished, you know, for what i'm responsible for. ♪ ♪ ♪ ♪ i am neve