Our latest gun massacre raises the troubling effectiveness of the possible use of profiling to limit access to fire arms …

1. Are you a man?

2. Are you white?

3. Are you between the ages of 15 and 30?

4. Are you currently in a mutually satisfying romantic relationship?

5. Do you feel alone?

6. Do you feel angry?

7. Do you frequently visit 4chan?

8. Do you spend a substantial part of every day thinking about firearms?