Mature adults can still be friends with people who hold different opinions. Though I don't expect you to know that yet.I think it's funny many of you guys are friends on a networking site with people you can't stand.
A Timeline Of Mass Shootings In The US Since Columbine | ThinkProgress
And
Homicide, suicide, and unintentional fi - PubMed Mobile
Anyone have any facts or statistics with references to battle this blasphemy
The Socratic Method is often effective in these discussions. Make him defend his position. Better yet, make him state his position. (We are an imprecise society these days.) Then grill the hell out of him when he makes a statement. When done right, you will never need the facts. As long as the other person's position has a logical weakness, you're golden.