First, again, I do not know what capacity she was there: a bystander (in which she did not have a duty to act), or was part of the ambo unit called (in which case, the crowd and the other cops kept her from doing her job).
If I am off-duty, I would likely not have intervened. Too much liability to my own license/certification. If I was on duty and being prevented from doing my job, different story.
Second, coming from having to testify as a medic (and as an ED RN), we're in no way qualified to say "there was a man being killed". You can walk up to that line, explain what you saw/heard/smelled/tasted, but that's it. It does show sympathy to the prosecution. But a defense attorney could follow by asking, "are you trained in recognizing people being killed from (whatever distance she was from Floyd and the cop)?" "Do you have any forensic training?" "How often have you worked with law enforcement and saw patients as a result of actions like these?"...and so many more.
So if I was going to be assigned as her partner, I sense no credibility and a subjective assessment of situational awareness, and not sure I could trust her to have my back.
I was deposed, twice, with LE-related shootings (Orange County Sheriff Lindy Pendergrass shot a kid in a grocery store, the kid had a realistic toy gun; and in the Wendell Williamson Chapel Hill shooter event). In both times the prosecutors tried to get me to conclude LE in question were acting incorrectly, and the defense tried to make certain on the record I could not make judgment calls on forensics or behaviors.
