"The technique is to keep the perp communicating in hopes of eventually flushing him out of hiding, either through a mistake, or through tracing or some other detection method."
Yeah, but don't you think he (or they) realizes this too?
Yeah, but don't you think he (or they) realizes this too?
Sure he does. However, when he is just shooting and leaving notes he is completely in charge. With a dialogue going, the chances of him making a mistake increase substantially.