Acrophobic English Teachers of Poughkeepsie
“It's no more dangerous than when I testified against the Acrophobic English Teachers of Poughkeepsie! ”
Acrophobic English Teachers of Poughkeepsie are characters in one of the Rikers Dartmoor's books, known to be dangerous to testify against[1].
Alcatraz mentions them in a conversation with Folsom and Himalaya.