What Juvenile case eliminated the hands-off doctrine for juvenile courts?

Answer 1

I think you'll find what you need here:

http://www.woodfin.org/classes/juvenile/legalrights(T).html

Answer 2

I was finally able to find the answer to be kent v u.s. in my textbook (in a different chapter that the question was from!)

Thank you for the help, it was useful in confirming my answer!