Related Clues:

• On-of link
• Element of a murder mystery
• ''I ran out of gas,'' e.g.
• Defendant's story
• Defendant's need
• Story to verify
• Perp's excuse
• Suspect's "I was home all night," e.g.
• Arrow stopper, perhaps
• It's good when airtight
• Suspect's concern
• Proof of innocence
• "I was away on business," e.g.
• Wrongdoer's excuse
• Out, at the police station