citizens in a very dangerous place. when you hear some of the rhetoric by the union president, that only raises the level of frustration. reporter: tension between police and de blasio started before he took office in january over new york s stop and frisk policy. at its height in 2011 nearly 700,000 new yorkers stopped for so-called suspicious behavior. 87% of them black or latino. de blasio made ending the policy a cornerstone of his campaign. i believe that actually the long-term security needs of this city require moving away from the overuse of stop and frisk. reporter: the practice ended by a federal judge in 2013 and supported by the new de blasio administration has been a sore point for police and its unions who view the practice as successful in curbing crime here and preventing everything from petty crime to terrorism in the future. and miguel is joining us now. miguel, where does this go from here? do you get any sense that the
funeral of officers in the event they were killed on duty. when an individual who is the executive of the city does not have the cooperation of his own police force, it puts the citizens in a very dangerous place. when you hear some of the rhetoric by the union president, that only raises the level of frustration. reporter: tension between police and de blasio started before he took office in january over new york s stop and frisk policy. at its height in 2011 nearly 700,000 new yorkers stopped for so-called suspicious behavior. 87% of them black or latino. de blasio made ending the policy a cornerstone of his pain. i believe that actually the long-term security needs of this city require moving away from the overuse of stop and frisk. reporter: the practice ended by a federal judge in 2013 and supported by the new de blasio administration has been a sore point for police and its unions who view the practice as
several nights and one incident, several protesters on the brooklyn bridge physically assaulted an nypd officer. so upset over the mayor s handling of the protests, on december 12th, well before these current killings, the police benevolent association asked officers to sign a letter to the mayor, asking him not to attend funerals of officers in the event they were killed on duty. when an individual who is the executive of the city does not have the cooperation of his own police force, it puts the citizens at a dangerous place, and when you hear some of the rhetoric by the union president that, only raises the level of frustration. reporter: tension between police and de blasio started before he took office in january over new york s stop and frisk policy. at its height in 2011, nearly 700,000 new yorkers stopped for so-called suspicious behavior. 87% of them black or latino. de blasio made ending the policy
encounter he has with the police officers who are there to protect him. reporter: but perhaps what angered police here most, protesters given free reign of the city for several nights, and in one incident, several protesters on the brooklyn bridge physically assaulted a nypd officer. so upset over the mayor s handling of the protests on december 12rks well before these current killings, the police ben ever length associate asked officers to sign a letter to the mayor asking him not to attend funerals of officers if they were killed in the line of duty. it puts the citizens in a very dangerous place. when you hear some of the rhetoric by the union president, that raises the level of frustration. reporter: tension between police and de blasio started before he took office in january over new york s stop and frisk
who are there to protect and serve. if you talk to people who do police training in lethal force, they ll tell you for the large part, there s been a de-emphasis on de-escalation and conflict resolution and more emphasis on training with guns and training with tasers. so if you re putting all of your training, lethal force training on how to use the weapons and very, very little, if any, on how to resolve situations without using force, we shouldn t be surprised at what we re seeing. but it starts with policy. the curriculum needs to change. i think we need better policies. we can rail against individual cops all day. but until you change the policies, you ll continue to get the same results. jason, how confident are you that we are going to see changes in law? i think we re probably going to see changes in law on the national level and then eventually it s going to seep down. it s not going to be quick. the first step, we ll probably see even more enforcement, more money, more res