Australia’s Home Affairs Minister has warned Australians need to be “vigilant” about “what comes over the browser” as the family of a Queensland man facing the death penalty for murder in Syria claims online radicalisation drove his actions.

A 20-year-old Gold Coast mobile phone technician is facing a possible death penalty in Syria for the alleged shooting murder of another Australian.

Australia’s Home Affairs Minister has warned Australians need to be “vigilant” about “what comes over the browser” as the family of a Queensland man facing the death penalty for…