The Canadian couple, Barry Sherman and Honey Sherman, were found dead at his home last month, December 15, 2017.
Police suspect both were killed in a premeditated murder scheme. In an ongoing investigation, they said that no one was indicted and refused to disclose the suspect's name, if the offender was successfully revealed.
Police announced the latest update of the case on Friday, about six weeks after the Sherman couple died.
"No one has been sued in connection with the death, but we have a list of the names of some people we will ask for next week's information," Toronto police detective Susan Gomes told the BBC on Friday (26/1/2018).
The police initially suspected the cause of their death, but the apparatus did not immediately look for the suspect. They had to take some action, finding some irregularities at the scene of the case.
Jasad Barry (75) and Honey (70) are found in a semi-seated position, depending on the belt on the fence next to the pool of the house.
After weeks of exploring the 1,114-square-meter house, consulting with more than 125 witnesses and gathering 150 evidence, police believe the couple were killed.
"We have enough evidence to describe the case as premeditated murder and both victims have long been targeted by the perpetrators, we have not been able to find out who the suspect is," Gomes said.
"I do not know where it came from (the perpetrators of murder), we also did not find any signs of home burglary," he continued again.
The couples' deaths shocked the Canadian community, as the two men are known to be generous people who are active in various social activities.
Even Canadian Prime Minister Justin Trudeau expressed his deep sorrow for the tragedy. Meanwhile, Toronto Mayor John Tory, also expressed his condolences to the families of the victims.
Barry Sherman is founder of Apotex Inc. based in Toronto, Canada. Initially established in 1974, the company employed only two employees.
Today, Apotex Inc. has become a global player with a total of 11,000 employees. The company's assets are estimated at US $ 4.77 billion. This is what makes Barry the 15th richest man in Canada.
But Barry Sherman - who has a reputation as a competitive businessman - does not mean far from controversy.
He once faced lawsuits from family members of his former employees of his company. They accused Barry of having unilaterally laid off.
It had occurred to Barry that some of his competitors wanted him dead.
"Branded drug companies hate us, they've hired private investigators to stalk us all the time," Sherman said in a book titled " Prescription Games" released in 2001.
"Such thoughts (murder or quick death) never crossed my mind, why did not they hire someone to knock me down?" With just a thousand dollars paid to the right person, you can kill someone I'm surprised it has not happened yet, "he said. boast.
Following the death of the billionaire couple, the Canadian media quoted police explaining that they had just bought a new house in the city center.
Four children Sherman hired a team of experts to conduct independent investigations and autopsies.
