Second story thieves are criminals who specialize in stealing from upper floors. To describe these criminals in a different way, one could use the following synonyms: burglars, cat burglars, rooftop robbers, high-rise heist artists, sky pickpockets, vertical bandits, aerial thieves, elevated racketeers, apex pilferers, and top-floor looters. Other terms could include thieves who specialize in high-rise buildings or robbers who focus on upper levels. Regardless of the term used, it is important to remember that these individuals are committing a crime and should be brought to justice.