I read the statues in Colorado, and at no time does a child under the age of 18 make a sole determination of what parent they have contact with. Never. The best interest of the child is the guide and nearly everyone agrees (minus confirmed abuse) that the best interests of a child are best served by having both parents in that child's life. In fact, there are penalties for keeping children away from their parents, the first of which is contempt of court.
Mark Redwine has not been charged with negligence...so I'm not sure where your statement is coming from.
Please don't participate in discussions of how Dylan may have felt, if you feel uncomfortable doing so. That child had a lot on his plate---parents and brother fighting, alcohol and maybe drug abuse, moving, loss of friends....He seems like a great kid....that doesn't change his circumstances or make him responsible for what happened to him.