This is an excellent black and white, British movie.
The movie is a murder/courtroom/police mystery plot. A very well done movie that keeps you guessing, right to the end.
It starts a bit slow, but quickly gets interesting.
Thanks for the recommendation, Bill. I guess this is it on YouTube:
https://www.youtube.com/watch?v=K0PVvq1gqJ4
Thanks Jason! Yes, the movie is available on YouTube.