Part one of two. The story of how, following the kidnap of 25-year-old Stephanie Slater in 1992, extortionist and murderer Michael Sams attempted to evade a huge police operation. This episode looks back at estate agent Stephanie's abduction at knife point in Birmingham at the hands of Sams, who posed as a house buyer. Contacting her employer, he demanded a £175,000 ransom and threatened her life if the police are involved