On January 6, 1995, McArthur Wheeler and Clifton Earl Johnson robbed two Greater Pittsburgh banks at gunpoint without attempts to disguise themselves. Instead, they had covered their faces in lemon juice, believing it would make them invisible to security cameras. Johnson was arrested a few days later, while Wheeler was apprehended in April after being identified in surveillance photographs. Both received multi-year jail sentences. The robberies directly inspired the research of the Dunning–Kruger effect, which describes that people with little ability in a given field erroneously believe they excel in it.

History

On January 6, 1995, McArthur Wheeler[lower-alpha 1] and Clifton Earl Johnson robbed two banks in the Greater Pittsburgh area at gunpoint.[3][4] At 2:47 p.m., at the Swissvale branch of Mellon Bank, one of them stuck up the teller with a semi-automatic handgun while the other waited in line.[2] They left together after obtaining US$5,200 (equivalent to $9,987 in 2022).[1][2] The other robbery took place at Fidelity Savings Bank in Brighton Heights.[3]

Neither robber wore a mask or otherwise attempted to disguise, and they had instead applied lemon juice to their faces.[1][3] According to Wheeler, Johnson had told him lemon juice would make one invisible to security cameras.[1][5] Although initially skeptical, he had tested this method by covering his face with lemon juice and capturing an image of it with a Polaroid camera. As he was missing from the resulting photograph, he trusted the method to be effective. Detectives believed his absence in the image was caused either by a bad film, a maladjusted camera, or Wheeler having unintentionally pointed the camera away from his face.[5]

Johnson was arrested on January 12. A surveillance photograph of Wheeler was broadcast as part of a Pittsburgh Crime Stoppers segment with the 11:00 p.m. news on April 19. Anonymous tips subsequently led to Wheeler's arrest at 12:10 a.m. on April 20, less than an hour after the broadcast.[3] When shown the photographs in which he had been identified, Wheeler was shocked and exclaimed "But I wore the lemon juice. I wore the lemon juice."[5] Johnson pleaded guilty to the heist at Mellon Bank as well as two unrelated robberies from 1994. He testified against Wheeler and was given a five-year prison sentence on October 27.[4] Judge Gary L. Lancaster sentenced Wheeler to 24+1⁄2 years in prison, followed by three years of probation, on January 5, 1996, for the Swissvale stickup.[1] Charges for the Brighton Heights case were dropped.[5]

Dunning–Kruger effect

A brief account of the robberies was included in the 1996 edition of The World Almanac. David Dunning, a professor of social psychology at Cornell University, discovered this story and subsequently a longer article about the case in the Pittsburgh Post-Gazette. He came to believe that "If Wheeler was too stupid to be a bank robber, perhaps he was also too stupid to know that he was too stupid to be a bank robber — that is, his stupidity protected him from an awareness of his own stupidity." With his graduate student Justin Kruger, he organized a research program to determine whether someone's perceived competence could be measured against their actual competence.[3] They authored the 1999 paper "Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments", in which they found that "when people are incompetent in the strategies they adopt to achieve success and satisfaction, they suffer a dual burden: Not only do they reach erroneous conclusions and make unfortunate choices, but their incompetence robs them of the ability to realize it. Instead, like Mr. Wheeler, they are left with the mistaken impression that they are doing just fine."[3][6] This became known as the Dunning–Kruger effect.[3][7]

Other uses

R. Lofton Hudson, a pastor and psychologist, argued that Wheeler exhibited a "lack of relational awareness" that normally was found in all humans. According to him, "we mistakenly and uncritically believe in our relational skill set when in reality those skills may be no more effective than Mr. Wheeler's special cream."[8] In motivational literature, There Is an I in Team: What Elite Athletes and Coaches Really Know About High Performance features Wheeler as an example of the importance of critical and accurate self-examination.[9] Wheeler's failure to understand his performance deficit was used as an argument for performance pay for teachers by an education policy think-tank.[10] The case also became a thought experiment for criminologists to consider as an example of their own incompetence.[11]

Notes

  1. ↑ Also reported as MacArthur Wheeler[1] and Macarthur J. Wheeler[2]

References

  1. 1 2 3 4 5 "Lemon juice didn't work; robber jailed". Centre Daily Times. January 7, 1996. p. 7A. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Newspapers.com.
  2. 1 2 3 "Swissvale bank robbed". Pittsburgh Post-Gazette. January 7, 1995. p. B-4. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Newspapers.com.
  3. 1 2 3 4 5 6 7 Morris, Errol (June 20, 2010). "The Anosognosic's Dilemma: Something's Wrong but You'll Never Know What It Is (Part 1)". The New York Times. Archived from the original on August 27, 2022. Retrieved October 16, 2022.
  4. 1 2 "Robber is sentenced". Pittsburgh Post-Gazette. October 28, 1995. p. C-2. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Newspapers.com.
  5. 1 2 3 4 Fuoco, Michael A. (March 21, 1996). "Trial & error". Pittsburgh Post-Gazette. p. D-1. Archived from the original on July 25, 2021. Retrieved October 16, 2022 – via Newspapers.com.
  6. ↑ Kruger, Justin; Dunning, David (1999). "Unskilled and Unaware of It: How Difficulties in Recognizing One's Own Incompetence Lead to Inflated Self-Assessments". Journal of Personality and Social Psychology. 77 (6): 1121–1134. doi:10.1037/0022-3514.77.6.1121. PMID 10626367.
  7. ↑ Fisher, Richard (February 14, 2014). "Stupidity for dummies". British GQ. Archived from the original on May 11, 2021. Retrieved October 16, 2022.
  8. ↑ Heinrich, Mark A. (2005). Olive, Don H. Sr.; Arrington, Michael E. (eds.). "How Are the People Around You Doing?" (PDF). Carson-Newman Studies. 10 (4): 1–7. ISSN 1081-7727. Archived (PDF) from the original on October 16, 2022. Retrieved October 16, 2022.
  9. ↑ de Rond, Mark (December 30, 2013). There Is an I in Team: What Elite Athletes and Coaches Really Know About High Performance. Harvard Business Press. p. 15. ISBN 978-1-4221-8397-7. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Google Books.
  10. ↑ Solmon, Lewis C.; Agam, Kimberly Firetag; Schiff, Tamara W. (January 1, 2005). Improving Student Achievement: Reforms that Work. Information Age Publishing. p. 141. ISBN 978-1-59311-352-0. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Google Books.
  11. ↑ Petherick, Wayne (December 2, 2012). Profiling and Serial Crime: Theoretical and Practical Issues. Newnes. p. 225. ISBN 978-0-12-405901-6. Archived from the original on October 16, 2022. Retrieved October 16, 2022 – via Google Books.
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