Here are the results of the ShopTalk Bad Behavior Survey, and the answers from the 275 ShopTalk readers who responded:

From the 'other' category, here's are a sampling of answers:
It's always been this way.
The arrests and reports are on the increase, journalistshave always been alcoholics.
maybe, but maybe it's just getting more press than before
48% are actively addicted, 48% are in recovery; 4% are "Normies!"
Probably unchanged, just not covered up as much as it used to be.
It has been an issue for years, while I think it's bad - it's just not worse.
It's more publicized and less covered up
i think it has always been a problem but people can't get away with it now
I think it seems that way because the incidents are so much more public.
It was awful in the 80s and on the rise again.
Always been there but ignored or covered up
It's the entire population -- it always happens in recessionary times.

...and in the 'other' category, a cross-section of answers for question #3:
independently determine the facts in the situation while employee is on paid non contact duty
suspension and counseling
Fire only after and if they are convicted. Depending on allegation whether or not they are suspended and with or without pay.
Leave them on job pending outcome of legal action.
Have them take a leave of absence for counseling..Treat them as you would a family member..Ha! Fat chance though.
It depends how agregious the incident is. Suspend with pay during internal assessment, force into counseling, go from there
Know your people; require them to seek counseling, if not, fire them
depends on circumstances
Case by case basis
suspend them & force them into counseling

Here are a few answers from 'other' in question #4:
HR and immediate manager.
All plus the employee involved
corporate
You know what the lawyer and the HR person will say. If your corporate bosses will allow it -- and that's usually where the pressure comes from -- be loyal to your employee. If their problem stops them from doing their job, then deal with it on a job performance level.
News Director
HR, GM & company attny
The owner, who is my boss.