Senior U.S. District Judge Joan Lefkow, poses Monday, July 27, 2020, for a portrait in her Chicago home. In 2005, Lefkow returned from work to find her husband and mother shot dead in the basement of her Chicago home. Lefkow was forced to relive her family tragedy this month when a struggling lawyer armed with a gun and a grudge opened fire at the home of another female judge. (AP Photo/Charles Rex Arbogast)

FILE - In this July 20, 2020, file photo, crime scene tape surrounds the home of U.S. District Judge Esther Salas, in North Brunswick, N.J. A gunman posing as a delivery person shot and killed Salas' 20-year-old son and wounded her husband Sunday evening at their New Jersey home before fleeing, according to judiciary officials. (AP Photo/Mark Lennihan, File)

Senior U.S. District Judge Joan Lefkow, poses Monday, July 27, 2020, for a portrait in her Chicago home. In 2005, Lefkow returned from work to find her husband and mother shot dead in the basement of her Chicago home. Lefkow was forced to relive her family tragedy this month when a struggling lawyer armed with a gun and a grudge opened fire at the home of another female judge. (AP Photo/Charles Rex Arbogast)

Senior U.S. District Judge Joan Lefkow, poses Monday, July 27, 2020, for a portrait in her Chicago home. In 2005, Lefkow returned from work to find her husband and mother shot dead in the basement of her Chicago home. Lefkow was forced to relive her family tragedy this month when a struggling lawyer armed with a gun and a grudge opened fire at the home of another female judge. (AP Photo/Charles Rex Arbogast)

FILE - In this March 11, 2005, file photo, Chicago police and fire officials search the roof of U.S. District Judge Joan Lefkow's Chicago home. One day after DNA evidence linked a Chicago electrician to the shooting deaths of the judges husband and mother, investigators returned to the house hoping to find the murder weapon and wrap up loose ends. Lefkow was forced to relive her family tragedy in July 2020, when a struggling lawyer armed with a gun and a grudge opened fire at the home of another female judge. (AP Photo/Nam Y. Huh, File)

Senior U.S. District Judge Joan Lefkow, poses Monday, July 27, 2020, for a portrait in her Chicago home. In 2005, Lefkow returned from work to find her husband and mother shot dead in the basement of her Chicago home. Lefkow was forced to relive her family tragedy this month when a struggling lawyer armed with a gun and a grudge opened fire at the home of another female judge. (AP Photo/Charles Rex Arbogast)

This July 11, 2020 surveillance photo provided by the San Bernardino County Sheriff’s Department shows a man who they believe is Roy Den Hollander walking through Union Station in Los Angeles. On July 19, 2020, he shot and killed U.S. District Judge Esther Salas’ son and wounded her husband in New Jersey, and was found dead the next day. (Courtesy of San Bernardino County Sheriff’s Department via AP)

FILE - This undated file photo provided by the Rutgers Law School shows U.S. District Judge Esther Salas during a conference at the Rutgers Law School in Newark, N.J. On Sunday, July 19, 2020, a gunman posing as a FedEx delivery person went to Salas' North Brunswick, N.J., home and started shooting, wounding her husband, the defense lawyer Mark Anderl, and killing her son, Daniel Anderl. (Rutgers Law School via AP, File)