Couple on trial for murder: Police uncovered small arsenal in Laval

Guy Dion and Marie-Josée Viau are accused of helping to dispose two bodies. Before their arrests, the SQ found firearms in a storage unit.

Co-accused Guy Dion at the Gouin courthouse in May 2021.

One month before Guy Dion and Marie-Josée Viau were arrested as suspects in the killings of two brothers from Montreal, the Sûreté du Québec uncovered a stash of firearms in a warehouse in Laval.

SQ officer Steve Barabé testified at the Gouin courthouse Wednesday at the trial of the couple from St-Jude, near St-Hyacinthe, charged with first-degree murder in the deaths of brothers Vincenzo and Giuseppe Falduto.

The Crown’s theory is the brothers were killed by a Mafia hitman inside a garage on the couple’s property on June 30, 2016.

It’s believed the couple helped by disposing of the two bodies, according to a summary the Crown presented to the jury at the start of the trial.

The hitman later became an informant and provided evidence to the SQ. The couple were arrested in October 2019.

Barabé was part of a team assigned to carry out a search warrant at a U-Haul storage facility near an indoor tennis facility on Highway 13 in Laval.

The team was told “there was a strong possibility that we’d find firearms there; we had to do an inventory and seize them,” Barabé said, adding an undercover agent lent assistance to officers involved.

“We started to do the inventory, but it was difficult. We couldn’t get positioned right and we were visible (to passersby). So we decided to grab everything and bring it” to SQ headquarters on Parthenais St.

Co-accused Marie-Josée Viau at the Gouin courthouse in May 2021.
Co-accused Marie-Josée Viau at the Gouin courthouse in May 2021. Photo by John Mahoney /Montreal Gazette

Barabé said the first item opened — a WinnWell brand hockey equipment bag —  contained two automatic 9 mm Cobray firearms and two silencers. One of the firearms was equipped with a loading clip and the other had no clip.

Inside a second bag, the officers found two pistols packed in hard plastic cases.

Earlier Wednesday, Barabé said the SQ searched the couple’s home in St-Jude on the day of the arrests.

Officers found a .22 calibre pistol and a package of hollow point bullets. The pistol was found inside a small safe, which also contained Viau’s driver’s licence and her medicare card.

Elsewhere in the home, an investigator found a 36-page hand-written list that appeared to be an inventory of several firearms and ammunition. Barabé said some of the listed items were among the firearms the SQ seized a month earlier in Laval.

The SQ also found receipts indicating that Viau’s car had travelled across the Highway 25 toll bridge to Laval several times.

This story will be updated.

  1. Guy Dion at the Gouin courthouse. He and Marie-Josée Viau are charged with first-degree murder in the 2016 killings of Vincenzo and Giuseppe Falduto.

    Falduto brothers were killed by a Mafia hitman, prosecutor says

  2. Guy Dion and Marie-Josée Viau's house on Rang Salvail S. in Saint-Jude. Police searched the house and the garage on Oct. 16, 2019, after an informant said brothers Vincenzo and Giuseppe Falduto were killed in the garage.

    Falduto brothers were killed in isolated area in Quebec, jury told

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