In the third such case in six days, authorities were investigating human remains found at a waste water treatment plant in Carson.
Details about the discovery on Thursday were sketchy, but the Los Angeles County Coroner's Office said it was investigating body parts found at a plant Thursday morning at the Los Angeles County Joint Water Pollution Control Plant in the 24000 block of South Figueroa Street.
It was the second such find at this plant and the third in six days.
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On Saturday at the Carson plant, officials uncovered remains of a human leg and foot at the pollution control plant. Detectives believe Thursday's discovery is related to Saturday's find at the plant.
On Monday, a worker at a wastewater plant near the city of Industry found a human torso and head while checking a clogged line, officials said.
Homicide detectives and coroner's officials were investigating the connection among all three cases.
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