This is so depressing/infuriating that I actually recommend putting off reading until you have time to decompress afterward. I took it in two chunks.
“This isn’t something you kid about, Brittany,” her mom scolded, snatching the kitchen cordless and taking it down the hall to call the Johnsons. A minute later she returned, her face a mask of shock and terror. “Honey, I’m so sorry. We’re too late,” she said tonelessly as Brittany’s knees buckled; 13-year-old Sam had climbed into the bathtub after school and shot herself in the mouth with her own hunting rifle. No one at school had seen her suicide coming.