A man has been arrested and also admitted to murdering his grandmother and having s3x with her dead body.
Donovan Miller, 31, killed 76-year-old Phyllis Grant by attacking her with a vase in her own home in Plaistow, east London.
The attack took place on March 25, 2021.
Police arrived at the scene after receiving a call and they declared Grant dead.
Miller was arrested and charged with murder the next day but has now pleaded guilty to manslaughter by diminished responsibility, and a third charge of sexual penetration of a corpse.
Prosecutor Caroline Carberry QC said the pleas were acceptable in light of the conclusions of three psychiatrists.
Judge Anthony Leonard QC adjourned sentencing until Monday, March 28.