A zoo owner spirals out of control amid a cast of eccentric characters in this true murder-for-hire story from the underworld of big cat breeding.

A zoo owner spirals out of control amid a cast of eccentric characters in this true murder-for-hire story from the underworld of big cat breeding.

Robert Durst, scion of NY's billionaire real-estate family, has been accused of three murders but has evaded justice for over 30 years. Durst speaks...