Suspect James Wenneker von Brunn was charged in federal court on June 11, 2009, with first-degree murder and firearms violations. On July 29, 2009, von Brunn was indicted on seven counts, including four which made him eligible for the death penalty. In September 2009, a judge ordered von Brunn to undergo a competency evaluation to determine whether or not he could stand trial. While awaiting his trial, von Brunn died on January 6, 2010 of congestive heart failure caused by sepsis at the age of 89.