The body of a man was found at the Forres Park Landfill in Claxton Bay on Wednesday.
He has been identified as 28-year-old Vijay Ramjattan.
Police said the man was discovered among the garbage at around daybreak.
His throat was slit and there were marks of violence about his body.
Investigators said the man was known in the area as a scavenger at the dump.
His relatives live at Samad Ali Trace, Claxton Bay.
Homicide officers visited the scene and the body was removed to the Forensic Science Centre in St James.
Officers are attempted to retrieve footage from surveillance cameras in the area.