Peter Dupas

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.