If you don't know what Nixle is, you might be missing something important. Nixle is the one place to go to get updates, warnings, and advisories from LAPD, the Sheriff's Office, and other agencies. If there is a suspect loose in your area or important safety information, Nixle has it. You can even sign up to get important information to your phone or e-mail. Just visit and be informed.

You can also sign up with E-Policing: emails about community safety and crime tips.

Alert LA County Los Angeles County has implemented an emergency mass notification system that will be used to contact County residents and businesses via recorded phone messages, text messages or e-mail messages in case of emergency, such as evacuation.