The two scientists who conducted “The BBC Prison Study” in the early 2000s wrote about the revelations in the Zimbardo archive material here: https://www.bps.org.uk/psychologist/time-change-story
Thibault Le Texier, whose book History of a Lie brought this information to light, wrote a summary paper in the American Psychologist: https://letexier.org/IMG/pdf/LeTexier_Debunking-the-SPE_Amer...