Execution-style killing rocks quiet Sydney suburb

A 35-year-old man, Jack Chung, was shot dead in his driveway in Carlingford, Sydney, in what police are investigating as an execution-style killing. Detectives discovered a GPS tracking device attached to his car, and the victim's brother is understood to be a member of Sydney's coconut cartel. Former NSW Police Detective Superintendent Robert Critchlow discusses the methodical investigation process, the increasing use of illegal GPS trackers in targeted killings, and the reality of informants within organised crime networks.See omnystudio.com/listener for privacy information.