Related Clues:

• Grafton's A Is for ___
• Perp's out
• One might be airtight
• Accused perp's excuse
• Suspect's excuse
• Out on the stand
• Corroborator, maybe
• Suspect's need
• Suspect's salvation?
• Courtroom excuse
• Defense mechanism?
• Suspect's defense
• Defence
• Legal get-out
• Arrestee's excuse