It's alleged Gerry Lougheed and Liberal insider Pat Sorbara offered a job or appointment to former Liberal candidate Andrew Olivier in exchange for stepping aside before a provincial byelection in Sudbury.
Thibeault represented the provincial riding for the NDP from 2008-15, but left the party to run as a Liberal when a byelection was called after the sudden resignation of New Democrat Joe Cimino.
http://www.cbc.ca/news/canada/sudbury/lougheed-charged-elections-act-1.3830599