O.D. on Death Row
After the prison administration completed its investigation, it had no idea how drugs could have gotten into the high security area. That was that. Case closed.
Well, what the public may not know is that drugs of all kinds are accessible to prisoners in all jails and prisons. As long as you have money, you can buy any type of drug.
Where do all the drugs come from?
Prisoners find ways to smuggle drugs or other contrabands into prison. However, the easiest way is for prison guards to bring drugs in since they don't get searched when they go to work. (It's kind of like the theory that certain government agencies fly in shipments of drugs from South America and put them on the street.)
It seems like drugs are part of the prison culture. There is no stopping people from getting high or making money.