Trump's support of police credited with lower violence against them

Washington Times:

Law enforcement leaders say Trump’s strong support for police saves lives

Line-of-duty deaths, including fatal shootings of police officers, are down this year

I do think the Obama administration's hostility toward the police was a problem.  Their pandering to the "hands up, don't shoot" lie appeared to be a direct cause of more attacks on police.  Others who have bought into that lie have also gravely damaged support for the NFL with their protests.