San Diego County supervisors Jan. 25 voted 3–2 to formally adopt an ordinance requiring safe firearm storage and prohibiting the distribution or creation of untraceable “ghost guns” in the county. As they did earlier this month, Board Chairman Nathan Fletcher and Supervisors Terra Lawson-Remer and Nora Vargas supported the measure, while their colleagues Joel Anderson and Jim Desmond were opposed. Ghost guns are unregulated firearms that lack serial numbers by which they can be identified and are typically assembled from purchased or homemade components. The county ordinance will: —update definitions regarding firearms to include unserialized ghost guns and parts; —prohibit the possession or distribution of parts without serial numbers that are used in the creation or possession of ghost guns; —prohibit 3D printing of firearms or parts; and —require the safe storage of firearms within a residence or accessory structure. According to a previous statement from Fletcher’s office, unlike state …