- Retaliation for grievances was a common motive, especially grievances with classmates.
- Attackers and plotters commonly used or planned to use firearms that they had access to in their homes.
- Attackers and plotters often had unusual interest in violent or hate-filled topics.
- Attackers and plotters commonly experienced stressors in their families and their interactions with peers.
- Nearly half of the plotters and the majority of the attackers were also victims of bullying.
- Attackers and plotters tended to exhibit previous concerning behavior.
- Attackers and plotters often experienced psychological, behavioral, or developmental symptoms.
- Many plotters and most attackers had histories of school disciplinary involvement. Many plotters and attackers also had previous law enforcement contact.
- Attackers and plotters almost always communicated their intent to attack prior to the planned attack.
- Step 1: establish a multidisciplinary threat assessment team.
- Step 2: define concerning and prohibited behaviors (along a continuum from students in need of intervention to students who bring weapons to school or who threaten or engage in violence). Use a low threshold for intervention to identify students in distress and intervene early.
- Step 3: create a central reporting mechanism.
- Step 4: determine the threshold for law enforcement intervention. Weapons, threats of violence, physical violence, or concerns about an individual’s safety should immediately be reported to local law enforcement.
- Step 5: establish assessment procedures using a set of investigative themes.
- Step 6: develop risk management options to reduce risk. This should include individualized management plans with needed resources and support.
- Step 7: create and promote safe school climates that encourage positive and trusting relationships between school personnel and students, break down codes of silence, and help students build connections to peers and school.
- Step 8: conduct training for all stakeholders.
- Improve accessibility by offering multiple reporting methods, such as text messaging or a mobile application, email, phone call, and reporting to a trusted adult.
- Set operating hours that improve availability, allowing for reporting outside of school hours.
- Consider using confidential or anonymous reporting.
- Respond to reports in a timely and transparent manner and in a way that is efficient, fair, and transparent.
- Offer training that builds awareness of the reporting system.
- Build positive school climate by fostering trust and positive relationships.