[August]

Here's an interesting article on the subject. Of course it's from Fox so that means it's wrong according to some here but take it as you wish:

Steve Scalise shooting: Political 'intensity' at town halls and beyond rising for months

By Zoe Szathmary Published June 15, 2017 Fox News



Police investigate a shooting scene after a gunman opened fire on Republican members of Congress during a baseball practice near Washington in Alexandria, Virginia, June 14, 2017. REUTERS/Joshua Roberts - RTS171TN



The shooting Wednesday of House Majority Whip Steve Scalise and four others was a shock to the nation.
But to an extent, it was also the latest -- and by far the most violent -- manifestation of hostility in American politics. The suspect was a Bernie Sanders supporter with deep anti-Trump views.
Lawmakers said afterward that hateful rhetoric has been on the rise on both sides, and needs to cool.
Former House Speaker Newt Gingrich said Wednesday that in the age of Trump, it is particularly pronounced on the left: "The intensity on the left is very real," he told Fox News.
No matter the cause or culprit, it's undeniable the intensity has been building, especially since last year's presidential election: