How an oil trail led to suspect in South Carolina hit-and-run homicide

A trail of clues — including an oil leak, security video and data from a truck's onboard computer — lead S.C. investigators to a jealous man suspected of running down a romantic rival.

source https://www.cbsnews.com/news/davis-mcclendon-bud-ackerman-south-carolina-hit-and-run-homicide-48-hours/