What is the test for establishing suspicion in a medical malpractice case?

Justice Durno believes suspicion can be derived using all available and complimentary evidence at one’s disposal. He stated; While that admission was sufficient to make the demand, there was other evidence that could have supported the suspicion. Those indicators can be examined in determining whether there was an objective basis for the suspicion, whether the officer considered them or not R v. Singh [2006] O.J. No.5133 para.18 [emphasis added]