All-American Comics #19

After a man Alan Scott saves from a near hit-and-run dies under mysterious circumstances, Green Lantern uncovers a gambling ring run by a man named Slade where those in debt are made to take out insurance policies and sign them over to Slade, before they meet untimely ends. By posing as a gambler who runs up a large debt, Green Lantern scares a confession out of Slade's lawyer, then confronts Slade himself, but Slade falls into the deathtrap he plans for the hero.