Motsamai has implicated 11 Free State policemen in his application, in which he admitted to a wide range of human rights abuses including the petrol-bombing of Winnie Mandela's house and clinic in Brandfort, Free State.
He told the committee of his involvement in the torture of student activist Kaizer Mahlaola in the 1980s and described how colleague Sergeant Nkululeko Simon Mamome, "chicken pieced" Mahlaola in the security branch's offices in Bloemfontein.
Mahlaola was forced to kneel, his hands were tied and a stick was forced between his elbows and his knees. He was lifted by the stick and suspended from his knees between two tables.
The aim of the torture was to try to turn Mahlaola into a police informer, Motsamai said.
Mahlaola has been mentally disturbed since being tortured.
Motsamai said two other activists who were tortured in the same way also became mentally disturbed.
He said detainees were forced to do frog jumps and push-ups and were beaten and kicked during interrogation. This method was used on at least one woman.
Assaults also took place in cars after activists were arrested, he said.
He told the committee that orders were given to arrest Oupa Makhubalu, who was to be shot if he tried to escape. Makhubalu was tied to a chair, gagged with a rubber tube, and assaulted.
A tea lady at the offices of the security branch in Bloemfontein was sacked after it became known that she leaked information about the torture. Orders were given to petrol-bomb her house, Motsami said.
Motsamai also described how Congress of South African Students organiser Zwelinzima Mzuzwana was held down by two policemen and shot. Mzuzwana survived the shooting, but the policeman who pulled the trigger later committed suicide, Motsamai said.
Motsamai also admitted that members of the Pan Africanist Congress were assaulted following an attack in Ficksburg. One of those assaulted was Thomas Likotsi, Free State chairman of the PAC.