Documents behind a recent search warrant are making new links between public contracts and illegal funds previously received by the Liberal party.
The information traces a web between a former Liberal minister and the engineering firm Roche, and at one point mentions Nathalie Normandeau.
Last February, Police applied to search the home of Marc-Yvan Coté, a former executive at the Roche engineering firm and a Liberal minister in the 80s and 90s.
Investigators told the judge they had evidence that up to 90 percent of Roche's public contracts were obtained through political influence.
Several media outlets have gains access to the documents, though the information has been heavily censured.
The information available reveals police evidence describing a network where Roche would use fake receipts and disguised sources to fund the Liberals beyond the legal limit, with the expectation that the engineering firm would gain better access to public contracts in return.
Police say they foresee charges of fraud, traffic of influence, and conspiracy.
The documents also mention a cocktail fundraiser involving Charest's former minister Nathalie Normandeau.
These allegations have yet to be proven in court and no charges have been laid.