In short from a foreign article how agencies work behind the scenes in mass media.
"Swedish Security Police monitored TV and radio personnel
Stockholm - Swedish Security Police Säpo observed decades hundreds people working for Swedish TV SVT and radio SR until late 80’s Swedish journalist’s Jouranlisten writes.
At least four SVT’s and SR’s people working in management or in other tasks have also been Säpo agents…"
Unofficial translation: Ake Tyvi (Business Intelligence Finland)
From source: Hämeen Sanomat, 22.1.2003, p. 11
Original: Swedish Security Police monitored TV and radio personnel