Related Clues:

• Sort of sandwich
• Break-in deterrent
• Warning of a sort
• Screamer at a crime scene
• Klaxon
• Blunt instrument
• Kind of car or sandwich
• Security warning
• Fire station signal
• Wail that warns
• Siren, for one
• Clock radio setting
• More than just startle
• Putter, e.g.
• Cause fear in