AUSTIN (KXAN) — Paul Johnson, the director of the new documentary “Unsettled,” joined us in the KXAN studio to discuss the business of asbestos lawsuits.

A Dallas-based law firm made a name representing plaintiffs in asbestos cases. More than two decades later, a memo from that firm is at the heart of a legal battle playing out here in Travis County.

Earlier this week a judge ruled that the court did not have jurisdiction to unseal testimony in the case.