2) A guy pulled out a hammer and started pounding away at the pulpit until he got jumped by the faithful;
3) A month ago, an off duty cop had to subdue some weirdo who came into the church yelling loudly in the vestibule, causing the ushers to grab the attention of the cop to handle the situation;
4) Related to #1, sketchy drug addicts living right next door to church, once causing the priest I was with to fear to walk past them to his lodgings. Because I was open carrying that day, I was able to escort him;
I think these could be prospects for conversion. Jesus did say, "Go out to all the world and preach the Gospel."