Several years before Robert Crimo III shot and killed several people at a July 4th parade in Highland Park, Illinois, his father signed his application for an Illinois Firearm Owners Identification (FOID) card. With the younger Crimo now facing seven counts of first-degree murder in connection with the Independence Day shooting, will his parents also face prosecution?

CNN spoke to criminal law expert and professor Eric Johnson, who said that a reckless homicide charge against the parents remains a possibility.

Johnson said reckless homicide is applicable to any act that causes a death, so long as the person was reckless in performing the act – meaning they were aware of a substantial and unjustifiable risk that the act would cause someone’s death.

Read the full story at cnn.com.