Episode 20: Anatomy of a murder crime scene - Part 2

In this episode of Fool Me Twice, Brad Oakes and Steve Van Aperen return to their “anatomy of a murder” exercise, using a fictional Collingwood laneway shooting to unpack how real homicide investigators think. Steve begins by answering listener questions from the previous episode, including why an old detective once told him to keep his hands in his pockets at a crime scene. His explanation centres on Locard’s theory of transfer: every contact leaves a trace, whether it is fingerprints, fibres, hair, DNA, coffee cup residue or carpet particles carried away on a shoe.

Brad keeps the discussion lively, testing Steve’s expertise with the sorts of questions an ordinary listener might ask. Could a criminal really wipe away fingerprints? Why does “in situ” matter? What exactly is a thrill kill? Steve explains that crime scenes must be preserved in their original state, because even an object that looks out of place may have an innocent explanation. He also describes thrill killings as murders committed for pleasure rather than a more obvious motive such as revenge, greed or anger.

The pair then return to the imagined murder case. A 27 year old man, possibly linked to organised crime circles, is found shot dead near a roller door in a Melbourne laneway. There is no weapon, no obvious robbery, a damaged phone, cash, keys, cartridge cases, tyre marks, cigarette butts, drink containers and possible footwear impressions. Steve walks through each detail carefully, stressing that evidence can be significant, irrelevant or misleading until it is tested against the broader investigation.

The episode also covers ballistics, gunshot residue, defensive wounds, blood patterns, CCTV, police running sheets and the importance of autopsies. Steve makes it clear that homicide work is not neat or quick. Investigators must preserve continuity, photograph and video evidence, attend the post-mortem, collect clothing for forensic testing and build a case piece by piece.

Brad balances the grim subject matter with humour, including riffs on police jargon, court language and an unfortunate borrowed suit worn to court. By the end, Steve has only finished explaining the initial crime scene response. The next stage, he says, will involve known associates, possible motives and an investigative matrix.

LINKS

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