Country's first gay imam murdered in February
Suspension of most American foreign aid jeopardizes HIV prevention efforts
Motive unknown but some fear murder was a hate crime
Cyril Ramaphosa gave State of the Nation speech on Feb. 6
South Africa is first African country to host event
Lazarus Ikaneng Thomas's body found in Northern Cape province on Sept. 7
Nombulelo Thandathina Bixa and Minenhle Ngcobo killed on Aug. 27
