Open this photo in gallery:Montreal police on Tuesday work the scene of a shooting that happened the day before.Christopher Katsarov/The Canadian PressSave for laterThe suspect in Monday’s shooting outside a Montreal hotel appears to have been motivated primarily by incel ideology, according to experts who have reviewed a manifesto circulating online. A national-security source said the manifesto, which is circulating online, is the same one that police have tied to the shooter. The Globe and Mail is not identifying the source because they are not authorized to speak publicly on the matter.The 104-page document, which has been posted online by...