PretoriaA former spy told court the Economic Freedom Fighters party posed no threat.
Prosecutors allege R12-million in public money moved through the secret 2015 operation Project Mayibuye.
Mr D, whose identity a court order protects, said the State Security Agency plan lacked proper authorisation and should have been halted.
Defence lawyers for the two accused say paperwork shortcomings do not make the operation unlawful.
Former agency officials Thulani Dlomo and Patrick Mshothola stand trial for fraud and theft.
How each outlet framed it
- Daily Maverick leans critical
- relies on a protected former SSA official's testimony that the EFF posed no national security threat
Sources: Daily Maverick