Context : Christopher Mhlengwa Zikode is a South African rapist and serial killer who was convicted in 1995 on 8 counts of murder, 5 counts of rape, 5 counts of attempted murder and 2 counts of indecent assault. 
Subject : Christopher Mhlengwa Zikode 
Relation : convicted of
Which crime Christopher Mhlengwa Zikode is considered to have commited?