Called to the Quebec Bar in December 1980, Ms. Murphy has devoted her career to criminal and penal prosecutions within the Quebec government.
In 1981, she joined the team of the Director of Criminal and Penal Prosecutions (DPCP) in Montreal as a prosecutor, where she focused on the treatment of young offenders. From 2003 to 2007, she served as Deputy Chief Prosecutor at the Montreal Youth Bureau before taking on the position of Chief Prosecutor until June 2012, when she was appointed Deputy Director of Criminal and Penal Prosecutions of Quebec. In July 2014, she assumed the position of Acting Director of this institution until her appointment by the Conseil des Ministres as Director of Criminal and Penal Prosecutions in January 2015. She will hold this position until her retirement from the institution in February 2021. At the time of her departure, the institution had over 1300 employees, including approximately 700 prosecutors.
Ms. Murphy has acted as a speaker, facilitator and trainer for prosecutors, professionals and students throughout her career. She has also accompanied numerous Quebec delegations to promote the Quebec model of intervention with young offenders abroad. In addition to her expertise in the treatment of young offenders, in 2003 she managed the modernization of the computer infrastructure in this field of activity. In 2012, she created the Bureau des affaires de la jeunesse within the DPCP in order to improve and standardize the processing of youth files throughout Quebec.
In September 2014, she was awarded the distinction of Advocatus Emeritus of the Quebec Bar for the excellence of her career.