Donald Trump is one of the most controversial figures on the planet. Experts closely examine Trump’s words, actions and behaviours.

When Shanann Watts and her two daughters vanished from their home, America was gripped. Experts in body language and linguistics analyse the clues that Chris Watts was responsible.

Theodore R. Bundy conducted a reign of terror throughout the 1970s. Experts analyse courtroom and interrogation footage to reveal how he was able to stay one step ahead of the law.

For more than two decades music superstar R. Kelly tried to hide his secret life as a serial sex of-fender. Experts put his interviews under the microscope to pinpoint the clues.