Case of murdered astrophysicist, formerly of Calgary, part of broader FBI investigation CTV NewsRelatives of 10 scientists who died or vanished grapple with impact of wild speculation BBCKilling of Calgary-born scientist tied to mysterious U.S. deaths, disappearances despite quick arrest CBCWhat to know about the missing scientists alarming Congress AxiosFeds probe ‘missing scientists’ list. Who has died, disappeared? USA Today
