Montreal Contact Verification Search(Sarah Maltais, Sophie Marchand, Korosh Sabor)

I need reliable, on-the-ground confirmation of current contact information for three individuals who should all be living somewhere in the greater Montreal, QC area: Sarah Maltais, Sophie Marchand, and Korosh Sabor... (Budget: $250 - $750 USD, Jobs: Data Analysis, Data Collection, Field Research, Internet Research, Privacy Compliance, Research, Web Search)