[GameOfFrowns]

>How often has she mentioned the elections were stolen again?

Often enough[0] (it's questionable if the Mueller probe would have even happened without Clinton & Democratic Party clamoring for it) and the last time just a month ago:

"Hillary Clinton: Right-Wingers Plot To 'LITERALLY STEAL' The Election In 2024"[1]

[0] https://eu.statesman.com/story/news/politics/politifact/2022...

[1] https://www.youtube.com/watch?v=NsQAFpe8mEU