Using data gathering and analysis techniques, a CBC News Investigation has catalogued just a portion of one fake review network on Google's My Business pages — 208 fake accounts that posted 3,574 fake reviews for 1,279 businesses across North America.

Shoulder rubs, inappropriate touching, belittling comments — these are some of the concerns former students and their parents say were brought to the attention of administrators at St. Matthew High School in the years before math teacher Rick Despatie was charged with sex offences against children.