In a major turn in one of the country’s most-noted death penalty cases, the State Bar of Texas has filed a formal accusation of misconduct against the county prosecutor who convicted Cameron Todd Willingham, a Texas man executed in 2004 for the arson murder of his three young daughters.

Following a preliminary inquiry that began last summer, the bar this month filed a disciplinary petition in Navarro County District Court accusing the former prosecutor, John H. Jackson, of obstruction of justice, making false statements and concealing evidence favorable to Willingham’s defense.

“Before, during, and after the 1992 trial, [Jackson] knew of the existence of evidence that tended to negate the guilt of Willingham and failed to disclose that evidence to defense counsel,” the bar investigators charged.

via OTHERWISE: Willingham Prosecutor Accused of Misconduct // The Marshall Project.