The suspect, who was killed by police, is believed to be a former student at The Covenant School in Nashville, where the shooting took place. Before Monday’s violence in Nashville, there had been seven mass killings at K-12 schools since 2006 in which four or more people were killed within a 24-hour period, according to a database maintained by The Associated Press and USA Today in partnership with Northeastern University. “Ladies and gentlemen, I wrote down a prayer today and I quickly realized that I cannot,” said Pastor Russell Hall, with his voice trembling