The man who pleaded guilty in the "CanadaCreep" Twitter investigation will serve a federal prison sentence for child pornography and voyeurism.

Jeffrey Williamson appeared from the Calgary Remand Centre via CCTV and was represented in court by duty counsel Thursday.

A 42-year-old Calgary man has been charged with several counts of voyeurism and publication of voyeuristic recordings in connection with a high-profile Twitter account, Calgary police said Wednesday night.