Their bodies were found in the basement of their $7 million home in Toronto's affluent North York neighborhood by a real estate agent preparing the mansion for an open house.But as word of Honey and Barry Sherman's deaths spread, neighbors, family members and people who had been touched by the billionaire couple's philanthropy found themselves poring over the final weeks of the Shermans' lives - trying to figure out why investigators had described their deaths with the word "suspicious.""The circumstances of their death appear suspicious, and we are treating it that way," Constable David Hopkinson told the Associated Press at a news conference held outside the couple's home.Police released few details about the case or what led to their suspicions.