Related Clues:

• In race against time, initially, one escaping doomed vessel?
• Rising sailor, one who deserts the sinking ship?
• Pied Paper follower
• Mouse's relative
• Singer in an interrogation room?
• Sought-after mobster?
• Snake in the grass, metaphorically
• Sewer critter
• Subway scurrier
• Subway vermin
• Discovered in war atrocity by informer
• Certain rodent
• Unpopular rodent
• Rodent; traitor
• Creature that runs a temperature