Canadian authorities become involved after it emerges image was sent via WhatsApp to a Canadian mobile numberThe main suspect in the beheading of a businessman that French authorities are calling a terrorist attack took a “selfie” photo with the slain victim and sent the image via WhatsApp to a Canadian mobile phone number, officials said on Saturday.French investigators were working to determine the recipient’s identity, but weren’t able to immediately confirm media reports that it was an unspecified person now in Syria, where the Islamic State has seized territory, security officials said.