Police street checks: Valuable investigative tool or racial profiling?

Robert L'Hirondelle speaks openly about his past problems: leukemia, alcohol, homelessness, an assault conviction.

But these days, he's sober, stays out of trouble and can often be spotted performing in downtown Edmonton.

http://www.cbc.ca/news/canada/edmonton/police-street-checks-valuable-investigative-tool-or-racial-profiling-1.3226705