Color me confused

Police Dog Accused of Racial Profiling

"I had received complaints from African-Americans saying they believe the dog only attacks African-Americans," councilwoman [Wanda Jones] Dixon said Monday. "I think the dog makes the distinction."

...

"To say the dog is racial ... that's ludicrous. That doesn't make sense," [Police Chief Robert ] Martineau said.

I thought dogs were -- literally -- color-blind?