Possible Clues:

• I can still turn out to be a bright spark
• Bright spark's wrongdoing before shoot, some say
• Trace cousin originally at home in quiet area
• Hint about entering wrong work area
• Befuddled, can I still sparkle?
• Trace crime to ploughman, by report
• Cultivator of error said to be flash
• Trace up to the time of being captured by travelling Incas
• Bright spark that is in work before afternoon
• Merest trace