In the weeks before he shot dead two police officers and seriously injured another, Desmond “Dezi” Freeman’s family were increasingly concerned by his erratic behaviour and desperately tried to get him psychiatric help. It seemed an impossible task. The 56-year-old’s spiralling descent into conspiracy theories and hatred of the police and authorities had been ingrained for years, and were only more entrenched following the government’s hardline response to the coronavirus pandemic. Even at his father’s deathbed in 2018, Freeman was ranting and raving about the government and bracing for the end of the world. But four sources close to Freeman’s family told this masthead his wife, Amalia, known as Mali, and brother James Filby had finally convinced Freeman to book in for a mental health appointment after months of pleading with him. Freeman never made it to the appointment.…