Name and shame the families who have kids over there?
They must know what they up going for or some of them will do.
Do your parents know where you are 24/7?
Do you parents check your passport and verify your flights and hotel bookings when you go abroad and keep and run a background check on everyone in your group?
How do you think the police have had success stopping terrorists in the UK and know about the ones who are with ISIS. From their families and people in the 'muslim' community.