If this is an emergency, call 911
Illustration of a diverse group of Bay Area community members standing together to support local violence prevention and tragedy awareness initiatives.

We can
stop a tragedy
before it happens.

Trust your instincts. 

People who hurt themselves or others often show warning signs before they carry out an act of violence.

This means planned acts of violence can be prevented!

Illustration of a diverse group of Bay Area community members standing together to support local violence prevention and tragedy awareness initiatives.

If you don’t know what to look for, it can be easy to miss the signs, or dismiss them as unimportant. Common warning signs include:

Withdrawing from friends, family, and activities

Expressing that violence is the way to set things right

Concerning interest 
in weapons or 
combat training

Sharing, wearing, or writing hate-based materials

Adopting a rigid
“us versus them” mindset with clear “enemies” 

Behaving aggressively toward different
groups or beliefs

Unusual secrecy about online activities

Expressing thoughts of harming themselves or others

Concerning interest with violent content or mass shooters 

No single behavior means someone will commit violence

The sooner we recognize concerning behaviors, the sooner we can get help and prevent harm.

You may be the only person who notices changes. Reaching out is an act of care — for them, and for everyone who could be impacted.

Connect with a professional to get advice on next steps or find resources for someone you care about.

Not sure who to tell? If you or someone you know is in need of immediate support, there are different ways you can share your concern.