Possible Clues:

• 'Must have been someone else!'
• "There's someone in my head but it's ___"
• 'You're looking at the wrong guy'
• ''It was somebody else''
• Innocent words
• Likely answer to 'Who broke that window?'
• ''It was someone else!''
• "You've got the wrong person!"
• 'I didn't do it'
• 'Try someone else'