Dossier
black-and-white vehicles
Coverage of black-and-white vehicles in the Nexus archive.
- If you don't hear the siren, police are sure you'll feel the Rumbler
The Los Angeles Police department announced plans to install the low-frequency Rumbler siren into 20 black-and-white vehicles as part of a planned expansion. This specialized system is designed to interact with standard police sirens, amplifying the resulting sound through vehicle speakers.