ACTION COMICS (1938) #48

“THE ADVENTURE OF THE MERCHANT OF MURDER!” Clark Kent crusades against the Top, an avaricious owner of a secondhand auto business who deliberately and knowingly sells cars in seriously bad condition. Superman: While Lois and Clark are out for a drive, they witness a car crash. Clark’s x-ray vision reveals that one of the cars in the crash, supposedly new, had worn out brake linings. Investigating the car dealer, Speed Motors, Superman discovers that their used cars are made from parts salvaged from wrecks. Later, Lois and Clark visit Speed Motors attempting to learn more. Sid Speed, the owner, attempts to bribe them to keep them quiet, but they refuse and are thrown out.…