He refused to believe Azef was a police agent , even after he had been exposed by Vladimir Burtsev .
Argunov acted as the party 's treasurer , collecting the funds for Azef 's combat organisation .
Argunov refused to believe Azef was a Azef   , even after Argunov had been exposed by Vladimir Burtsev .
Argunov acted as the party 's treasurer , collecting the funds for Azef 's combat organisation .