Emma Barnett was found clutching 14-month-old Oakley in the loft of her home after a court order determined he would be taken into care
A mother who was found to have killed her infant son with a lethal cocktail of prescription drugs in his milk has been sentenced.
Today (June 5), Emma Barnett has been sentenced to life behind bars after she was found guilty of murder following an 18-day trial at Cambridge Crown Court on May 28.
Barnett must serve a minimum of 22-years in jail.
The court heard how the mum had been due to attend a family court hearing on November 8, 2024, the outcome of which determined little Oakley, just 14 months old, was subject to an interim care order.
The pair were reported missing that same day. Officers carried out searches for the pair and found Barnett’s vehicle parked near to Epping Forest. Officers believed the 36-year-old had entered the grounds, however, police found she had walked to on foot to her home on Chester Road, Debden in Essex, and forced their way into the property.
There, they found Barnett hidden in the loft, clutching the 14-month-old. After ongoing discussions, the pair were both rushed to hospital for treatment. Tragically, despite the best efforts of doctors, Oakley died on New Year’s Eve in December 2024.
Barnett also received hospital treatment before she was arrested on suspicion of murder in January last year.
She initially denied murdering the child. However, after six hours of deliberations after the 18-day trial at Cambridge Crown Court, jurors found her guilty on May 28.
The court heard during the trial Barnett had stated in her interview that she “wanted the police to think I was in the forest so I could stay indoors with Oakley” when she left her vehicle parked there.
The Crown Prosecution Service (CPS) confirmed that evidence presented during the trial showed Barnett had prepared a bottle containing a mixture of milk and medication, which she administered to Oakley, ultimately causing his death.
The court also heard how the woman communicated with officers through the telephone behind the loft hatch, initially claiming Oakley was asleep before declaring, “I have killed him”.
Police say they carried out a “detailed investigation” which resulted in Barnett being interviewed in June 2025. She declined to respond to any questions, police say, but was charged with a single count of murder.
Judge Mr Justice Derek Sweeting explained that the prosecution case was that Barnett “intentionally administered to him (Oakley) medication prescribed to her intending to kill him and this was the planned outcome”. He noted that the defendant’s case was that Oakley’s death was accidental. Summarising the defendant’s case to jurors, the judge added that her case was that “she didn’t intentionally administer medication or intend serious harm or to kill him”.
“Her intention was to take her own life but only at the point Oakley would be removed from her by police,” the judge said, summing up Barnett’s defence case.
Barnett said that hiding in the loft “was to extend the time she had left with Oakley”, the judge said. He revealed that investigators discovered two baby bottles in the loft containing liquids that tested positive for the antihistamine promethazine, which can cause sedation, and the antidepressant mirtazapine.
The judge noted that expert evidence suggested “taken together their effects may be greater than either alone” and that they could cause “respiratory compromise”.
Oakley’s family have spoken out about their heartbreak. Paying tribute to him, they said in a statement, they said: “Oakley filled every room with light, laughter, and love. With his beautiful curly hair and huge blue eyes, he captured the hearts of everyone who met him. His smile could brighten even the darkest day, and his gentle spirit brought so much happiness to our family.
“Oakley loved watching Trolls, and there was something magical about seeing his face light up with excitement whenever his favourite characters appeared on the screen. Those simple moments, full of wonder and joy, are memories we will treasure forever.
“Though he was only with us for a short time, Oakley filled our hearts. He will forever miss his cuddles, his laughter, and the happiness he brought into our lives.
“While our hearts ache with the loss of him, we are grateful for every second we were blessed to spend with him. Our beautiful boy will always be loved, always be remembered, and always remain a part of us.
“Though we cannot hold him in our arms, we carry him in our hearts every day. We will forever grieve the memories we won’t get to make, the milestones we won’t get to witness, and the future that should have been his.
“But while Oakley was taken from our lives, he will never be taken from our hearts. His memory lives on in every story we share, every tear we cry, and every smile that comes from remembering that beautiful little boy.
“Forever 14 months old. Forever loved. Forever missed. Forever our Oakley. Sleep peacefully, sweet Oakley. You were deeply loved, and you always will be.”
Oakley’s dad also paid a special tribute to his beloved son. He said: “While I never got given the opportunity to get to know Oakley and experience the joy he bought to everyone else’s lives.
“I wish I could have had the chance to experience that bond with him and get to learn of all of his favourite things and see the infectious smile those that got to spend that short time with him did.
“I will forever have that ache in my heart of never being able to have that father son bond with him or be able to kick a ball together. I will forever love my little boy and miss him deeply.”
Detective Inspector James Holmes, who led the investigation into Oakley’s death, said: “This time should be all about Oakley. I know how missed he is by all who loved him and the thoughts of my team and everyone at Essex Police remain with them.”
Detective Inspector James Holmes of Essex Police said: “This was an extremely upsetting and difficult investigation for everybody involved. Our thoughts remain with Oakley and everyone who loved him.”




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