The SNP appear to be separating themselves from the previous leadership quite quickly, as is the way in politics, never look back.
Operation Branchform, which has been in operation since 2021 and is investigating financial irregularities dating back to 2017 is responsible for these recent arrests. read here: https://en.wikipedia.org/wiki/Operation_Branchform
Recent polls suggest the SNP remain the dominant force in Scotland:
