Presley Gerber’s downward spiral — DUI, face tattoo, addiction and failed rehabs

From the outside, Presley Gerber’s life looked almost impossibly charmed.

The only son of supermodel Cindy Crawford and nightlife mogul Rande Gerber grew up surfing in Malibu and shared the spotlight and winning gene pool with younger sister Kaia.

At 15, he signed with IMG Models. By 16, he was striding down...