No profiling was necessary in that case. There were plenty of signs he was mentally unstable without considering his religion. He would have been just as mentally unstable and would have probably committed the same act had he been a Christian. The system failed, but not because of his religious beliefs.
So, you're walking down the street, at night.
You hear people behind you and you turn around.
Are you telling us that you wouldn't show any additional "concern" if it were three young black men, as opposed to three elderly women?