My son has ADHD. He is 15. His dad is Dutch and we travel regularly between Amsterdam and London.
He flew this weekend as an unaccompanied minor for the first time (something he's wanted to do for ages and is registered as special assistance on the booking) and perhaps unsurprisingly due to his age and point of embarkation he was asked a lot of questions at UK border control. Thankfully he seems to have managed ok but thinking ahead I'm worried if they took him into a room to question him or worse still search him he might freak out.
If that happened and I was collecting him at the airport could he ask for me to be in the room. Or could he ask for a chaperone. I've heard terrible stories about people with special needs having meltdowns and being manhandled in similar situations and I want to fully prepare my son as best I can.