mayor today? >> this was great training. when you look at what they're -- >> because training doesn't -- can training change the things we're talking about here, which is the snap judgments, preconceived bias, a set of cultural assumptions about people you're dealing with? do you think that can be trained out of people? >> i think your question is a great question. i can't modify your heart, but i can modify your behavior. and if you can't modify your behavior, i must remove you from the agency. what we are doing differently now is that when officers leave the academy, within six days they forgot about all that good training when they go to communities of color or impoverished areas. they keep that good training when they go to great communities that they perceive as great communities. when you -- >> what is that dynamic about? why does that happen? >> because many people believe the indoctrination once you get into a police precinct and have real conversation and an old-timer tells you forget about that stuff -- >> you're in the bunker now. >> exactly. this is how you handle it. and when someone tells you and you begin to believe you that no long your want to treat the people in that community with the same level of respect