The U.S. Justice Department moved to dismiss an indictment against Aubrey McClendon a day after the shale-drilling pioneer died in a fiery car crash , casting uncertainty over a broader probe into alleged bid-rigging of oil and gas leases. Mr. McClendon, the former chief executive of Chesapeake Energy Corp. CHK 25.59 % , was the only person charged thus far in what the Justice Department has described as an “ongoing federal antitrust investigation into price fixing, bid rigging and other anticompetitive conduct in the oil industry.” His indictment sent tremors through the energy sector , as other companies and investors fretted over who else could face charges. Mr. McClendon was running Chesapeake during a period when he is alleged to have orchestrated a conspiracy with an unnamed rival to not bid against one another for oil and natural-gas leases in Oklahoma. The company said Wednesday it has been cooperating […]