The prayer shawl is not what God will judge you on, it's more likely He will not be happy with arresting women because of their attire. He is more likely going to be unhappy with you for missing the point. The prayer and relationship you have with Him is the point, not the clothes or outter wear.
U.S. confirms ISIS computer expert killed in air strike (Reuters)
from the article: Six women arrested for wearing prayer shawls at Western Wall