feel the difference with k-y ultragel. >>> tara fitzgerald's friends and family had got an lesson, onesked for, one that came too late to save tara from a synthetic overdose. >> we're not taught how dangerous it really is and how unstable the chemicals can be. >> the kids don't know how deadly these drugs are, there's not enough information pushed out to the public. you hear a lot about things like heroin and cocaine and meth. something like these synthetics is far deadlier than tiny doses. >> prosecutors handling the first synthetic drug deaths in woodbury now had five defendants including three high school students and two adults who were profiting from the drugs were charged not with drug sales but murder. >> why homicide? >> in minnesota, there's murder in this third degree. it's a pretty open statute that s says, if you sell a substance, a schedule 1 or 2 substance that leads to the death, you're guilty of murder. >> both adults pleaded guilty to third degree murder. the main supplier, alexander clausen, was sentenced to six years in prison, while cole got a year in county jail an