The 18-year-old was battered to death in an apparent mob justice attack in Ekuphumleni on Wednesday morning.
Last Friday, cops swooped on a house and arrested two suspects, aged 19 and 22.
This after mense complained that three men had robbed them of their cellphones.
At the house, police came upon a stash that included police bulletproof vests and badges, cellphones, ID books, watches and a pile of bank and consumer cards.
The third alleged skelm was spotted by one of his victims in the early hours of yesterday morning, apparently stalking another victim, and the female resident ran and got some of the men in the community to sort him out.
The ouens chased the youngster to behind the Khayelitsha Community Centre where they beat him to a pulp and stoned him to death.