Mother suffocater sent to hospital

A carer who confessed to poisoning her cancer-stricken mother with insulin and suffocating her with a pillow locked up in a mental hospital. Shirley D’Silva, 55, killed 78-year-old Martha Pereira, who had been struggling with diabetes, dementia and lung cancer at their home in Croydon, south London. Disturbed D’Silva said she heard voices in her head urging her to kill her mother so she could ‘have freedom’. The Old Bailey heard she thrust a pillow over the pensioner’s face then…