The child protection policies in Scouting America (previously Boy Scouts) are very rigorous today. If a troop or pack today is following the policies there really isn't any opportunity for an adult to abuse a scout. If you are still interested in scouts you should take the scouts Youth Protection Training to learn for yourself the policies. (I'm a Cubmaster and I strongly recommend, practically beg, all my parents to complete the training.)

But the truth is, there is just no youth organization that doesn't have a history with abuse. It's amazing to me that parents that have every reasonable reservation against putting their kids in scouts seem to have no issues with, like, youth sports -which have way more opportunities for child abuse and instances of it.