2. Please state the basis the officers had for suspecting that such crime had been committed or was about to be committed.
They don’t need an actual crime. They need to reasonably be suspicious of what might have been going on.
The law in WI is pretty clear and has a wide leeway for the officers.
The 911 call clearly qualifies as a reason to detain and question them under WI law.
If you want to argue about the law, that’s fine, but it’s a completely different argument.
The officers were, under WI law, completely justified in detaining and questioning them as far as I can tell by reading the statutes and the annotations.
http://nxt.legis.state.wi.us/nxt/gateway.dll?f=templates&fn=default.htm&d=stats&jd=968.24