Levi Johnston says he’s pursuing full custody of his son after watching his ex-girlfriend’s reality show, “Bristol Palin: Life’s a Tripp.”
Johnston told TMZ that he’s "disgusted" by what he sees and worries that his son, Tripp, is on a "downward spiral"
"I love my son more than anything .. and I will do whatever it takes to make sure he is raised the right way,” Johnston said.