July 6, 1953 - Peter Dupas
What distinguishes Dupas within the history of Australian violent crime is the pattern rather than any single act — a decades-long escalation in which each period of incarceration was followed by further offenses of greater severity against women. The criminal justice system's repeated failure to contain him, combined with his suspected involvement in additional homicides beyond those proven, makes his case a sustained study in recidivism and institutional limits.
From Wikipedia
Peter Norris Dupas (born 6 July 1953) is an Australian convicted serial killer, currently serving three life sentences without parole for murder and primarily for being a serious habitual offender. He has a very significant criminal history involving serious sexual and violent offences, with his violent criminal history spanning more than three decades, and with every release from prison has been known to commit further crimes against women with increasing levels of violence. His criminal signature is to remove the breasts of his female victims.
As of 2007, Dupas has been convicted of three murders and is a prime suspect in at least three other murders committed in the vicinity of the Melbourne area during the 1980s and 1990s.
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