Ten years after its predecessor committee last looked at the issue, it said change was now urgent.
The committee has said that a Royal Commission should be set up immediately so it could report back by 2015, when the next general election is due to take place.
There is no doubt that we have failed to deal with the dealers and we have not focused on the users. Only with this twin approach will we break the devastating cycle of drug addiction in society.
Drugs cost thousands of lives and the taxpayer billions of pounds each year. This is a critical, now or never moment for serious reform. If we do not act now, future generations will be crippled by the social and financial burden of addiction.
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The boy was found with knife wounds and died at the scene.
Harry and Meghan became the Duke and Duchess of Sussex when they got married last month.
No arrests have been reported.