Melanie Allen examines a wound in the center of her son Chuck’s forehead that is healing nicely. The hole where a small caliber bullet entered three weeks ago is now an angry pink mark, somewhat indented but no longer scabbed over. She gently raps her knuckles on Chuck’s skull as if expecting a rattle or clanging metal echo. “I told you not to hang out with that kid,” she says, setting a plate of toaster waffles on the kitchen table in front of her distracted teen. He swipes and scrolls over the cracked display on his phone. “What? Oh, yeah. He’s my friend Mom. It was an accident,” he says, though he knows it wasn’t. The truth would just make things worse. “You could’ve been killed,” she says, “Accidentally.” ...