A 12-year-old boy died from undiagnosed Addison's disease after opportunities were missed to 'administer lifesaving treatment', a coroner has ruled.
High Court judge Nicola Davies ruled there was no case to answer and Dr Rudling was also acquitted over a charge of perverting the course of justice.
The inquest heard Mrs Morse first became worried about her son's health during the summer holidays when he complained of a bad head, sore throat and aching legs - as well as projectile vomiting on a number of occasions.
Heather's gun is secretly hidden in a doll, kept closely in Sarah's hands.
Sarah is convinced that she drowned her sister, a fact found to not be true.
She falls in love with Joe Kelly who was investigating the murder.