Use Audacity to record the clip in question.
Then use its analytic functions to make and apply a band pass filter of your choice 432 or 528.
Then play the resultant clip if the tone is there you will be able to hear it.
Without filtering first, other detection methods would be confused by the presence of other frequencies.
And that is exactly why Trump was smart enough to attend the trial.
So that he could make a scene by walking out when sworn testimony exonerated him.
The MSM will not be able to resist his 'antics' and the truth will be known far and wide why he did this.
Have her check out any of John Lott's recent books, from the library.
More guns, less crime : understanding crime and gun-control laws