Possible Clues:

• Abductor
• Criminal traced to Leatherhead
• Head going after goat snatcher
• Ransom-note writer
• Criminal taking fish, breaking and entering
• Captor of a human being, for ransom
• Leatherhead criminal
• Captive abductor
• One wrongly takes issue with the head
• In fish, means of identifying criminal, such as him?