They changed how they are counting prosecutitions from people prosecuted under Obama to cases prosecuted. As we know this is a type of crime rarely done alone so I bet we could easily double Trump's numbers if they went back to tallying it with the same parameters as under Obama. Sneaky Bastards. Burried in article:  In a telephone interview, a former federal prosecutor whose experience included numerous sex-trafficking cases argued that TRAC’s listing of cases filed, rather than the number of defendants, may have distorted the numbers. TRAC did not immediately respond to a press inquiry about this methodology