The recent shooting in Parkland, Florida, has brought up discussion of how people should have “seen the signs” and stopped the shooter beforehand.

According to the California Department of Education, there are several signs in young people that, especially when combined with multiple others, should be taken seriously, meaning something should done for or about the person in question.
1. Social withdrawal
2. Excessive feelings of isolation
3. Excessive feelings of rejection
4. Being a victim of violence
5. Feeling of being picked on or persecuted
6. Low school interest and poor academic performance
7. Expression of violence in writings and drawings
8. Uncontrolled anger
9. Patterns of impulsive and chronic hitting, intimidating and bullying behavior.
10. History of discipline problems
11. Past history of violent and aggressive behavior
12. Drug and alcohol use
13. Affiliation with gangs
14. Inappropriate access to, possession of, and use of firearms
15. Serious threats of violence