In retrospect, it's easy to see why the world’s richest person would want to purchase and dismantle it

When John and Susan Pruyn came to Toronto, they were hoping to protest against the G20 and then spend some time with their daughter. Instead, they would be caught up in a whirlwind of police misconduct with few precedents in Canadian history.

In the first of a two-part series on the G20, two mysterious strangers start volunteering with activist networks in southern Ontario. It’s all part of one of the biggest undercover police operations in Canadian history