Since 2013 alone, the Obama administration has allowed 300,000 criminal aliens to return back into United States communities. These are individuals encountered or identified by ICE, but who were not detained or processed for deportation because it wouldn't have been politically correct.
You need better relationships between the communities and the police, because in some cases, it's not good.But you look at Dallas, where the relationships were really studied, the relationships were really a beautiful thing, and then five police officers were killed one night very violently.