Drug dealers should get the death penalty! If children are the drug dealers then their supplier should get the death penalty!
The 19 year-old man was a victim of his own self-medicating. I see no reason to charge somebody with murder.
How about liquor store owners and distillers? Should they get the death penalty? Lots of their customers die from their products.
Should liquor store owners get the death penalty every time someone who buys their liquor kills other people?
Note to self: when tripping, do not do dangerous stuff. Relax and enjoy.