The case was about a murderer, Rogers, who stabbed his victim in the heart, causing the victim to have cardiac arrest and lapse into a coma. The victim was kept alive for fifteen months using modern medical methods. An ancient common law was that if a victim of a crime died more than a year after a criminal act, that act was not considered to be murder, under a justification that medical science was not capable of establishing causation so far beyond the criminal act, whereby there was reasonable doubt as to the cause of death. This was known as the year and a day rule. The rule dated from as far back as the 12th century, and most modern courts that examined the rule found it to be obsolete given modern medical scientific advances. The court wrote,
