Related Clues:

• Old man left in port area as security measure
• Shed securer
• Master piece?
• Gate keeper
• Hanger-on in the security business?
• Dated revolutionary in gang employed by security firm to keep others out
• Security measure in flat by Strand
• Security device gets secretary and student in place of those accused
• One that may come from Yale
• Door security
• Perhaps security detail drove veteran back inside