Any and all files related to surveillance and interrogation of John Robin Schalopobersky who was detained on 13 June 1969 in terms of the sections 6 of Terrorism Act

Any and all files related to surveillance and interrogation of John Robin Schalopobersky who was detained   13 June 1969 in terms of the sections 6 of Terrorism Act.

Where possible, please include the following:
1. A copy of the statement by Mr. Schlapobersky as condition for his release, signed on the week beginning of 28 July 1969;
2. The name of an assistant who worked with a Major Coetzee when the statement was drawn up and was responsible for Mr. Schlapobersky signing it;
3. The identities of six police officers who worked under a Major Swanepoel and interrogated Mr. Schlapobersky between 13th June 1969 and 28 July 1969; and
4. Any documents and other materials that were confiscated from Mr. Schlapobersky during that same time period.