Related Clues:
- Finest sounds?
- Chase scene sounds
- Indications that the police are coming
- ''Hi-lo'' signals
- Memorable Shakespearean trio
- Dangerous singers of mythology
- Cops might make them wail
- Broomstick riders
- Father points to warnings
- Emergency alerts
- Police warnings
- Vampy types
- Mythical nautical dangers
- They'll stop traffic
- Devices that warn with a loud wailing noise