(April 1, 2020)

“To date, neither the public, nor Parliament, nor other departments have been informed of the existence, let alone the extent, of the practices of this secret service exchange”, Guttmann notes. Her research work in the Swiss Federal Archives however, does not go beyond the 1980s, as more recent files are subject to the usual 30- to 50-year retention period for documents held by federal authorities. Since then, the CdB has largely been a black box.