5. Paulie

To understand Lighthouse, Catrin needs to try and understand Paul Waugh. She delves into his past to investigate his claims of incredible wealth, high profile business connections, and a difficult childhood.

What happens when a life coach takes over your life? Catrin Nye and her team expose control, intimidation and fear at a sinister life coaching company.

Reporter: Catrin Nye Written by: Jamie Bartlett and Catrin Nye Producers: Osman Iqbal, Natalie Truswell, Ed Main & Jo Adnitt Researcher: Aisha Doherty Executive Producer: Ravin Sampat Sound Mixing: James Bradshaw Original Music by: Phil Channell Commissioner: Rhian Roberts

Archive clips: Unleashing the Power Within - An Owner's Manual for the Brain (Robbins Research Institute); Zig Ziglar - Changing the Picture (Zig Ziglar Corporation); Harvey Mackay: Best-Selling Author & Entrepreneur (Eagles Talent); The Oprah Winfrey Show 1993 (Harpo Productions); The Oprah Winfrey Show 1988 (Harpo Productions); The Oprah Winfrey Show 1996 (Harpo Productions).