federal justice department probe more than three years in the making, detailed in a 22-page letter to the maricopa county attorney, detailing a pervasive culture of discriminatory bias against latinos at the mcso, that s the maricopa county sheriff s office, that reaches the highest levels of the agency. it goes on, sheriff arpaio s own actions have helped nurture mcso s culture of bias. in addition, it details a study commissioned by the department of justice that found latino drivers are four to nine times more likely to be stopped than similarly situated non-latino drivers. there s more in the report documenting detention officers at the sheriff s jail using offensive slurs and profanities, calling them web backs, stupid mexicans and slurs we can t use on the air. according to the justice department s civil rights division, they re also investigating whether they failed to investigate hundreds of sexual assaults and child molestation cases. many of the victims appa