FILE - In this Monday Nov. 24, 1997 file photo, Polish immigrant and convicted killer, Janusz Walus, is sworn in during a Truth and Reconcilliation Commission hearing in Mamelodi, Pretoria, South Africa. South Africa has renounced the citizenship of Walus, the man who killed anti-apartheid leader Chris Hani in 1993. (AP Photo / Cobus Bodenstein, File)