In March 1987, private investigator Daniel Morgan was brutally killed in the car park of the Golden Lion pub in Sydenham, with an axe embedded in his skull - but more than three decades later, no one has ever faced justice for his death. Award-winning crime writer Stephen Wright talks to Daniel’s campaigning brother, Alastair, about how the Metropolitan Police repeatedly failed Daniel, and why current Met Chief Cressida Dick should resign ‘as a matter of honour’ over a murky investigation mired in allegations of police corruption.