Arrests, detention conditions, and numbers

It's been one month since Iran was rocked by what’s being called the country's deadliest crackdown in modern history. On January 8th and 9th, security forces brutally attacked protesters who had taken to the streets calling for regime change. It’s still unclear how many people were killed. A shut down of communications has made it tough for people living outside of the country to get information on exactly what happened. CBC's Liz Hoath brings us this story about Canadians who are slowly learning what’s happened to friends and family back in Iran.