<r>I would imagine that it's to protect innocent folks :<br/>
<br/>
that may have information regarding a crime,<br/>
<br/>
but were not actually involved in it;<br/>
<br/>
that need to be questioned regarding their whereabouts because of logically inferred motives;<br/>
<br/>
that wouldn't want ...

Miller High Life in a long neck bottle

(what can i say? I'm a "cheap date" )