Bias-motivated attacks became a distinct crime in the 1980s. But police investigate only a fraction of the roughly 200,000 hate crimes reported each year – and even fewer ever make it to court.
It turns out liars and truth-tellers behave very differently when questioned.
Delays in reporting a rape and in recording a video interview with police can have an impact on whether an investigation continues.
Police in Toronto say they've found the remains of at least six people in the midst of their investigation into alleged serial killer Bruce McArthur. Here's what goes on in such investigations.