He was elected as mayor while the Terrebonne City Council was being investigated by the Unité permanente anticorruption (Permanent Anti-corruption unit).
[6] During his term as mayor, the permanent anti-corruption unit continued their investigation of members of the previous council.
[7] In March 2018, five members of the former municipal administration who were under the leadership of mayor Robitaille were arrested by the permanent anti-corruption unit.
[8] In 2006, Plante received a certificate in administration from the University of Quebec at Montreal.
When he was elected as mayor, Plante was about to receive a Master's Degree in public administration, specializing in municipal management from the École nationale d'administration publique (National School of Public Administration).