That's handy for amateur sleuthing or stalking wildlife.

Her extensive knowledge of murder-mystery books assists her in her amateur sleuthing.

Clifton's amateur sleuthing leads him to investigate many cases, often with the police or MI5.

He knew Kelly was shaken up, and had reason to be irritated at his amateur sleuthing, but he thought she was carrying it a bit far.

In effect, Mr. Mueller deputized all Americans, urging them to do amateur sleuthing of their own.

I couldn't resist some amateur sleuthing.

It's just that amateur sleuthing scares the bejesus out of me.

"Now you see why I said amateur sleuthing is dangerous."

So far, the weather's been lousy, so my amateur sleuthing has been a nearly full-time activity.

At this Kady laughed out loud, for it seemed that snooping, spying, and amateur sleuthing were their ways of saying thanks.