In the Toronto van attack, scientific identification was used. Ontario has the Complex Fatality Plan, which states that in complicated cases like the Toronto attack, scientific identification will be used. (CBC)The difference between methodsVisual: "When we look at what is termed 'visual identification', it is in fact visual confirmation. Scientific: Scientific identification involves things like fingerprints, dental records and DNA matching. In most cases, visual identification provides a high degree of certainty and further testing is not justified."

Source: CBC News April 29, 2018 20:56 UTC