A man was found stabbed to death at a flat in Colchester.
Police were called to the home in Forest Road at about 14:45 BST on Wednesday following concerns for the man's welfare.
Officers found the 52-year-old victim, who had been stabbed in the back and chest. They said they were treating the death as murder.
Witnesses - or anyone with dashcam footage of the road at about that time - should contact Essex Police.