More than a year after the botched Harding Street raid, which left two people dead and five officers wounded, we still don’t know the full extent of the rot in the Houston Police Department. Chief Art Acevedo is convinced that it’s a case of a bad apple infecting an otherwise air-tight department. But as Harris County District Attorney Kim Ogg’s review of cases tainted by former Houston narcotics officer Gerald Goines expands, that’s increasingly difficult to accept.