05 The Invisible Killer | Did police miss a murder?
Background Briefing · 2025-03-13
A court found that Garry Davis injected three victims with lethal doses of insulin during a 48 hour period. But what if there was another victim? Is it possible police failed to collect crucial evidence to prove someone else had also been killed?
Background Briefing
Background Briefing brings you true stories not everyone will want you to hear.
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