How a ‘madman’ hopes to spark conversations about mental illness

( CNN) The signs that he was spiraling downward were everywhere. They appeared in his scrawls in red marker all over his apartment walls. They materialized where reference is stripped down to his skivvies at a happy hour, after winning a court case while sporting a new mohawk.

And they screamed out as he raced around New York City for 12 hours, darting through traffic, bounding through a puppy park on all fours, presuming strangers were performers in his very own reality Tv prove.

By the time police handcuffed Zack McDermott — then screaming, shoeless and shirtless on a metro platform — it was clear he’d had a psychotic break.