NASHVILLE, Tenn.—Prayers, hugs, flowers, tears. All those things flowed on Tuesday outside of The Covenant School, the private Christian elementary school in Nashville, where three children and three adults were killed the day before.
At Covenant Presbyterian’s entrance, which is connected to the school, signs advertised the upcoming Easter service and a summer camp for children. 
Those signs, which promoted a joyous time for the Covenant community, are now surrounded by yellow tape and police cars at the still-active crime scene as police work to gather more details on how Monday’s events unfolded. 
People streamed in and out of the site throughout the day, laying flowers and other items, such as teddy bears, to commemorate the victims. …