Derren Brown investigates the power of social compliance by persuading an unwitting member of the public into believing that they have pushed someone to their death. Derren Brown investigates the power of social compliance by persuading an unwitting member of the public into believing that they have pushed someone to their death. Derren Brown investigates the power of social compliance by persuading an unwitting member of the public into believing that they have pushed someone to their death. Derren Brown investigates the power of social compliance by persuading an unwitting member of the public into believing that they have pushed someone to their death.