[Sweet Land]

The first step in an investigation is to determine the identities and relationships of the persons involved.

In a free country, the first step in an investigation is to determine whether a crime has been committed.

[cinFLA]

In a free country, the first step in an investigation is to determine whether a crime has been committed.

Like the other poster I guess your solution would be to take down the guy and handcuff him till you could determine if a crime had been committed.