The half-naked bodies had multiple gunshot and stab wounds.
They were found in the open veld near Commissioner Street, next to the newly established informal settlement located opposite Delmore Gardens.
A security officer who was patrolling the area called the police after stumbling upon the bodies lying about two metres away from each other in the open space.
Police believe the men were killed somewhere, and then dumped in the open veld during the wee hours of Saturday, March 11.
Two of the men have not yet been identified, but the third body has been identified as that of a Windmill Park man, who was working as a driver transporting schoolchildren.
Cases of murder were registered and investigations continue.
No arrests had been made so far.
No other information has been released about the trio at this point.
Anyone with information about the murders can contact the Reiger Park SAPS spokesperson Sgt Mashudu Phathela on 071 676 0555 or 011 916 7000.
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