She's "white"? (no racist)
When arrests are made, the FBI has set guidelines that one puts down what the person most resembles...now this is up to officer interpretation.
1=black, 2=white, 3=Asian, 4=Native American, 5=Unknown
In some parts of the country, many Latinos are put in as white, which skews things, and if the same person is arrested again, he can put in as 5 (Which many Latinos from Central America are put in as), which skews things even further.