MY 14-YEAR-OLD SON SPENT HIS LAST MONEY BUYING NEW SNEAKERS FOR HIS HISTORY TEACHER — THE NEXT MORNING, AN OFFICER CAME TO OUR DOOR AND SAID, “YOU MAY NOT KNOW WHAT YOUR SON DID.”

On the ride back, I kept glancing at my son in the passenger seat, thinking how challenging it is to raise a child one grocery list and long workweek at a time, only to realize the kindness you have been trying so hard to teach has grown larger than your own fear.

Mr. Wallace’s mother hugged Dilan with surprising strength for a woman her age.