A common myth says that drug dealers make drug-laced candies or pills and give them off to children outside schools.
For example,
Examples of the drug-mixing strategy also include candy laced with marijuana and, in several states, flavored methamphetamine. In Arkansas recently, a mix of meth and strawberry-flavored powder normally used to create a children's milk drink turned up under the name "Strawberry Quick."
-- source
But many many other examples can be found in TV series' "drug episodes", especially in the 70's and 80's TV family shows like "Eight is enough", "Family Ties" or "Different strokes".
Is there any recorded case of drug dealers pushing drugs outside schools and being successful on getting kids hooked? Is there any scientific basis at all? Or is it just "war on drugs" propaganda preying on parents' fears?