Ald. Jim Gardiner (45) paces at a City Council meeting on Sept. 14, 2021. [Colin Boyle/Block Club Chicago]

The Board of Ethics voted unanimously Monday to issue a “notice of probable cause” that a city official matching the circumstances of Ald. Jim Gardiner (45) violated anti-retaliation rules in the city’s ethics code and should undergo a “full factual investigation” by the city’s inspector general.