John Puls, a psychotherapist and clinical social worker who works with teens and young adults, joins Megan Lynch. Why are seemingly more teens taking part in 'takeovers', some of which become violent? 'They want to experience this rush,' and gain more attention, says Puls. 'There's a group-think mentality' when they're are with each other explains Puls, 'the off-switch doesn't exist.'



