On July 4, 1988, sixteen-year-old Shane Stewart and eighteen-year-old Sally McNelly went out for the night in their West Texas hometown of San Angelo. They watched the fireworks, stopped for burgers, and drove out to the lake outside of town. They were never seen alive again. That summer, as their parents waited for news from the authorities, Shane’s father Marshall began an investigation of his own, discovering the teens may have been swept up in the town’s darkest of undercurrents.For more on this and every episode, visit texasmonthly.com/shaneandsally Get 18 Free Meals, plus Free Shipping on your first box, and Free Dessert for Life, at HomeChef.com/TEXASCRIME.  Must be an active subscriber to receive free dessert.