"There had to have been something to allow the investigators to obtain search warrants, judicial authorizations — which implies there's some evidence that they've gathered of wrongdoing," Kenneth Molloy, a former Winnipeg Police Service fraud investigator, told CBC News after reading a copy of the briefing note. Kenneth Molloy says the city's decision to pursue the police headquarters matter in civil court was the best move, because there the burden of proof for fraud in civil court is lower than than in criminal court.(CBC) But the threshold to obtain a search warrant differs from the threshold a Crown prosecutor must meet to lay a charge or present a case at trial, he said.