Both were found semi-seated hanging by belts from a railing surrounding their indoor pool.
The initial theory was that it was a murder-suicide but Toronto homicide detectives later confirmed they were targeted and killed.
Barry Sherman was the founder of generic drugmaker Apotex Inc. and he and his wife were big philanthropists.
Last December the family’s private investigation ended but Toronto Homicide Unit Insp. Hank Idsinga said the police investigation remained active.
No arrests have been made so far. Their home has been demolished at the family’s request.
— With files from Joe Warmington
It appears there might be a breakthrough in the high-profile murders of wealthy Toronto couple Barry and Honey Sherman.
Toronto Police confirmed Wednesday there is a person of interest in the December 2017 killings of the Shermans inside their home.
“I can confirm that the Toronto Police Service have a person of interest identified but not arrested,” Const. Alex Li told the Toronto Sun on Wednesday night.
Li said no other information was being released at this time.
Toronto Police sources say there is a major distinction between a person of interest and a suspect.
Police are not saying they have a suspect in the slaying of the billionaire couple who were found Dec. 15, 2017 in their Old Colony Rd. home in north Toronto.
A person of interest could be somebody listed in a “production order” for requests for information from a file or cellphone or from someone’s travel.
The Shermans were last seen alive Dec. 13, 2017. There bodies were found two days later by realtors taking buyers through their multi-million-dollar residence.