The following article contains material that some readers might find distressing.

Around the world, knives are a popular weapon of choice among criminals. In Australia, for example, they are the most common weapon used in homicides. And in countries such as the United Kingdom and Canada, knife crime has recently been on the rise.

As common as they are, stabbings are also difficult to investigate. Our new study, published this week in WIREs Forensic Science, presents the most comprehensive review to date of the methods used by forensic investigators for the reconstruction of knife crimes. It also highlights the limitations of these methods and introduces mechanical and robotic stabbing machines as a solution.

These technologies could significantly enhance forensic science and criminal investigations in the pursuit of justice.

Stabbing is an intensely personal act of violence, carefully planned or opportunistic. It reflects not just an intent to harm but also a direct, physical engagement with the victim.

Stabbings are also typically associated with high levels of aggression and frenzied attacks. For example, Joel Cauchi fatally........

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