The experience of Xavier Andre Justo—the former Swiss banker turned whistleblower in one of the most notorious financial scandals of the past decade—shows those who speak up about bribery and corruption are often the only victims of the supposed “victimless crimes” they report.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...