Study each of the following case carefully. Briefly state the principle of law and your decision.

DeCoster and his son, owners of a large egg production company, negligently sold eggs contaminated by salmonella poisoning, causing illness to 1,939 people, according to an estimate by the U.S. Centers for Disease Control and Prevention. According to estimates by some officials, however, the actual number of persons affected amounted to as many as 56,000. Are DeCoster and his son subject to criminal liability and jail sentences, even though their conduct was only negligent and not intentional?