Long story short, DS made a mistake in his search on the internet and I figured out that he has bought two joints on Saturday, went out with a friend yesterday and smoked, and again today. He is 15, is generally ok and not badly behaved, is struggling with lockdown, but I have to say I am absolutely shocked. The clothes he wore yesterday smell, I know 100% he has taken drugs. It's not just a doubt. He is out now with same friend and his train pass isn't in its normal place.
That first conversation will be hell. Hold hand and encouragements please.