06/16/2015 08:44 EDT | Updated 06/16/2016 05:59 EDT

Mike Duffy Trial: Senator Expensed $154K In Ineligible Claims, Court Hears

Mike Duffy expensed nearly $154,000 in travel expenses that the Crown alleges the suspended senator was not eligible to claim, a forensic accountant testified today in Ottawa.

Forensic accountant Mark Grenon, who has reviewed thousands of financial transactions of Duffy, was testifying during a voir dire — a sort of trial within a trial to determine admissibility of evidence. ​Duffy's judge-only trial, which began April 7 in the Ontario Court of Justice, is in its 34th day.

Duffy has pleaded not guilty to 31 charges of fraud, breach of trust and bribery related to expenses he claimed as a senator and later repaid with money from the prime minister's then chief of staff, Nigel Wright.

Crown prosecutor Jason Neubauer went over one of the reports Grenon prepared looking at all of Duffy's travel claims.

Grenon found that Duffy expensed $493,193 in total travel. Flights made up the largest chunk of these claims ($338, 109), or 68 per cent of all travel expenses.

Grenon also broke out the claims the Crown alleges Duffy was not entitled to, including claims related to living in Ottawa, or the National Capital Region (NCR), that came to $89,520.

Residency is one of the central issues in the case against Duffy. He designated his home in P.E.I. as his primary residence, making him eligible to claim meals and living expenses for his time in Ottawa, even though he has lived and worked in Canada's capital since the 1970s. The Crown contends that Duffy should not have been eligible for those claims.

Grenon also found that Duffy's expenses for travel when allegedly not on Senate business (13 claims) totalled $64,425. That total, along with the NCR claims, comes to $153,945.

Following the voir dire, Judge Charles Vaillancourt will determine later how much, if any, of the testimony will be admissible.

Duffy's lawyer, Donald Bayne, had argued against the admissibility of much of Grenon's testimony, questioning its relevance and the objectivity of Grenon.

Grenon is delving into four different areas of Duffy's financial records:

- Claims analysis.

- Duffy's financial practices (bank records, credit, mortgages).

- The contracts with Duffy associate Gerald Donohue and the cheques from Donohue's family's business.

- Tracing the $90,000 payment from Wright.

The court has heard that Donohue had been awarded a series of Senate research contracts with Duffy worth nearly $65,000.

The RCMP have said Donohue received the money for "little or no apparent work." Instead, the Crown alleges, that pool of money was used by Duffy, through Donohue, to pay for a series of expenses, some of which the Crown says would not have been covered by the Senate.

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