Is Sharia a deterrent?

What are we told in this country about the death penalty? It is no deterrent - right? If that is true why then is Sharia such a deterrent? We have people and organizations in the west willingly giving up their first amendment rights in order not to offend. We have women, including non-muslims, afraid not to wear a head covering. Why? Sharia works.

Residents in the nearby area have reported a drop in robberies, murder and general lawlessness since the court began its work, Radio HornAfrik said.