As long as I might be thought to be pursuing him, the criminal would be off his guard. 
The criminal was off his guard so long as he possibly imagined I was pursuing him.
The criminal felt safe no matter what I did.
You'll make a mistake at some point.
A shirtless performer plays an instrument
The EPA put a pie chart in their submission instead of a detailed economic analysis.
There were protests in Tianamen Square that was ignoed by Hong Kong.
The dog is purple
He had a cleft in his chin.