Community Resources Against Street Hoodlums
The Community Resources Against Street Hoodlums (CRASH) was a specialized gang intelligence unit of the Los Angeles Police Department (LAPD) tasked with combating gang-related crime between 1979 and 2000. The unit was established in the South Central district of Los Angeles, California, United States, to combat rising gang violence during the period.
Source: Wikipedia — Community Resources Against Street Hoodlums (CC BY-SA 4.0)