I thought it would be a good idea to post my progress.
Date of interview: 21 Feb 2023
ACRO: caution (criminal damage), a warning and a reprimand for cultivation of cannabis - all as a juvenile. Simple caution at 20 for protesting. All of these are concealed on ACRO certificate as 'no live trace'.
Decision by US adjudicator in London: Inadmissible
Recommendation: Waiver of Inadmissibility.
Perhaps other people could post their progress etc.