The Trump administration has sent a clear signal to compliance professionals that customs fraud is an enforcement priority, and it wants whistleblowers to come forward to report these crimes. Customs questions that may have once simmered in the background should now be front and center for compliance officers, as they are for government investigators offering large rewards for reports of customs fraud. In this guest article, partner Chris McLamb and associate Elizabeth Soltan of Whistleblower Partners identify a number of customs red flags that compliance teams should look for to help ensure issues are addressed before an employee (or third party) blows the whistle. See “U.K. Launches U.S.-Style Whistleblower Reward Program to Combat Tax Fraud and the SFO May Be Next” (Apr. 23, 2025).