Seven more bodies were Monday exhumed from two secret graves in Kitengela and Athi River.
Police led by chief government pathologist , Johansen Oduor , exhumed six bodies from the mass grave in a disused quarry while the seventh was found in a cave about two kilometres away.
The quarry is part of a 2,000-acre Sheep and Goat Farm.
Local villagers graze their animals in the farm.