The special investigator who probed the RCMP pension scandal has laid the blame firmly and squarely at the feet of former commissioner Giuliano Zaccardelli.

David Brown, the former head of the Ontario Securities Commission, also said Canadians' trust in the national police force is broken and needs to be rebuilt.

He also said a full public inquiry would not uncover anything new, and worse, would waste taxpayers' money and time that could be better spent taking action to fix the problems.

Instead he recommended that a task force made up of police, public servants and experts from the private sector review the way the RCMP is run.

NDP MP David Christopherson disagreed, arguing a public inquiry is necessary in order to disclose any further details potentially left untouched by the probe.

"Unfortunately, it's only been studied in half-measures. We've got all these reports, but none have been sufficient for the public to say 'case closed.' And same thing with the report that we got today," Christopherson told CTV's Mike Duffy Live on Friday.

"And as to the argument that we don't need a public inquiry, Canadians have heard all these arguments -- no need, time, money -- with Air India. And look what's happened, look what's coming out."

Day countered that the issue has been exhaustively investigated and agreed with Brown.

"The suggestion that after seven separate types of inquiries, we now have a public inquest that could go on for years, is just not tenable," he said.

"We think there's enough here to move ahead, and in a reasonable period of time see a fresh governance structure in place, that gives a breath of fresh air to an incredible organization."

He added that the government will name a new full-time commissioner of the RCMP in the coming days or weeks.

Brown said in his report that the management structure, culture and governance of the RCMP is "horribly broken."

"We cannot allow the image of our national police force to slip any further in the esteem of its own members or in the public they serve. We do not need another inquiry to figure this out, we need solutions," he said Friday.

Brown said a combination of inadequate corporate governance and Zaccardelli's leadership led to many of the issues the RCMP has faced of late.

"It is this very culture, this very structure, exacerbated by the leadership style of former commissioner Zaccardelli, that allowed this insurance and pension plan debacle to unfold as it has," Brown told reporters on Friday.

He went further in his report to Day: "Commissioner Zaccardelli expressed himself in ways that showed little regard or apparent respect for those with whom he was dealing."

Brown also accused Zaccardelli of allowing the growth of a culture in which "displeasing the commissioner was career-limiting.''

The report said that so-called whistleblowers who attempted to reveal misdeeds within the organization suffered retaliation and career damage.

"Bad news did not travel upwards very well in the RCMP," he told reporters.

Brown also found that an earlier criminal investigation of the affair, ostensibly under the control of Ottawa municipal police, was not as independent as it should have been.

Brown recommended that the Ontario Provincial Police look into the file to determine whether a probe -- which critics say was cancelled prematurely -- should be resumed.

The alleged mishandling of the $12 billion pension fund and an insurance fund has already been the subject of a criminal probe, internal RCMP audit, review by Auditor General Sheila Fraser and hearings by the Commons public accounts committee.

Brown said he started his own investigation by reviewing the previous reports.