When Aubrey McClendon drove his Chevy Tahoe into a bridge on March 2 , a day after he was indicted by a federal grand jury for allegedly rigging the price of oil and gas leases , many observers concluded that the shale-energy pioneer had killed himself. But a two-month investigation by the Oklahoma City Police Department has found nothing to suggest Mr. McClendon committed suicide. “We were unable to find any evidence or information that would lead us to believe it was anything other than a vehicular accident,” said Oklahoma City Police spokesman Capt. Paco Balderrama. The conclusions of the probe, which haven’t been previously made public, don’t rule out suicide, or describe the manner of his death, and thus are unlikely to end the intrigue about the final hours of […]