WHEN JENNIFER COOPER LOOKED DOWN at her phone at 2 a.m., she was surprised to see she had missed texts and calls from two of her sons. The phone had been on silent mode while Jennifer and her husband, Noble, finished up a church retreat in the East Texas woods, a four-hour drive from their home in northeast San Antonio. Why would the boys call so late? ¶ Jennifer didn’t really understand the first message, from her middle son, Norman. Before his parents left town that week, Norman, 33, had argued with his wife, Carly — he came home too late one night, they fought, and he agreed to stay somewhere else for a couple of days to let things cool off, according to family. Now Norman was upset, texting…
