Murder Was Their Medicine — Guy Cobden

When his wife and her girl friend were killed in a car crash, nobody, least of all John Chadwick, suspected that it was anythingbut an accident. After the inquests, however, the local garage proprietor showed Chadwick a wheel from the wrecked car and in itsrim was a hole that could have been made by a bullet from a rifle.Chadwick investigates and unearths a gigantic plot to steal a fortune.