No, unfortunately not.
As said, the assault event did trigger once but there was no option to collect the spy cam. I didn't check the hints back then, and since I can't re-trigger a second assault, I am unable to double check.
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Potentially yes, but I couldn't really double check.
I've updated the game, loaded the last save and was able to trigger at least the stalker scene again, including police report. But after that, it was stuck again.
My guess is that this is caused by my save game state (Kylie is already at 50 yandere). To verify, I'd have to dig up an old save game with lower yandere and go through all scenes from start. Or lower yonder via hypnosis and raise it back to trigger level. But I haven't had time for trial-and-error-stuff yet.