You're acting like people act rationaly and think everything out in an emergency situation.
The most likely situation, except to conspiracy theorists, is that she interpreted Owens' non-responsiveness and the missing bottle of medication as a suicide attempt and then connected the dots in her mind and started considering "frustration" and clinical depression.
It is not clear why are you working so hard to make this a suicide attempt. If it were, he would be under observation for 72 hours and not giving press conferences.
Also if he had taken 35 pills it is doubtful he would still be alive.
you dont know the law in Texas do you?
The police make that call and usually dont hold them against their will, unless they make statements that that they will harm themselves again.