"And days before he died, the Shermans’ attorneys filed documents in Canadian federal court in an attempt to quash a government investigation into a possible violation of lobbying rules in connection with a $1,100-a-plate fundraising dinner the Shermans held at their home for Prime Minister Justin Trudeau in 2015."

https://nypost.com/2017/12/23/billionaire-couple-faced-financial-woes-before-suspicious-deaths/