It has occurred often in a "wink and nod" fashion where a political candidate says something to get elected but then acts differently once in office.

Source: https://www.salon.com/2023/02/13/ptsd-expert-seth-norrholm-george-santos-likely-has-a-disordered-personality/

Mr Braiden described himself as "not your stereotypical" political candidate.

Source: https://www.southernhighlandnews.com.au/story/8135297/wollondilly-labor-candidate-angus-braiden-talks-voting-for-the-first-time/?src=rss

There is nothing stopping prosecutors in New York from charging a political candidate.

Source: https://www.denver7.com/news/national/5-questions-surrounding-donald-trumps-possible-arrest

Youngkin has been floated as a potential Republican presidential contender since he won Virginia’s gubernatorial election in 2021 as a first time political candidate.

Source: https://www.onnradio.com/2023/05/01/youngkin-says-he-is-not-preparing-to-head-out-on-the-2024-presidential-trail-this-year/