The Sanderson tapes

In Tape 1 Sanderson says the person he is speaking to is an agent of the Directorate of Intelligence and Security (Name known to Mmegi). Two things are clear - One is Sanderson, the other is a male person's voice with a Botswana accent. The two greet each other. And then after a few problems hearing each other properly they then commence with the following

Sanderson: - I got that information...before you were trying to give it to me by the way