After years of controversy over Bishop's record, mainly because very few of his claimed victories were witnessed by anyone else or could be confirmed from the few surviving German records, the show led to an inquiry by the Canadian government in 1985. The Standing Senate Committee on Social Affairs, Science and Technology discredited the documentary, saying it was an unfair and inaccurate portrayal of Bishop. There is some dispute about whether Bishop or Mick Mannock had the highest score of any British Empire First World War fighter ace. The "Canadian Encyclopedia" states: "Investigation by a Senate sub-committee exposed a number of minor errors in this apparent 'documentary' and confirmed that statements had been wrongly attributed and incidents shifted in time for dramatic effect. However, the senators were unable to demonstrate that Bishop's claims were valid, and consequently recommended only that the film be labelled as docu-drama".