Law enforcement

O.J. Simpson reacts after learning he was granted parole at Lovelock Correctional Center in Lovelock, Nev., July 20, 2017. Simpson has served nine years of a sentence for armed robbery and kidnapping. (Jason Bean/The Reno Gazette-Journal via AP, Pool)

Police officers with the Forensics Unit leave Bronx Lebanon Hospital in New York after a gunman opened fire, killing a doctor and wounding six others before taking his own life, June 30, 2017. The gunman, identified as Dr. Henry Bello, was forced out of a hospital two years earlier over sexual harassment allegations. He returned with an assault rifle hidden beneath his lab coat law enforcement officials said. (AP Photo/Mary Altaffer)

Protesters gather outside the state Capitol in St. Paul, Minn., June 16, 2017, after police Officer Jeronimo Yanez was cleared in the fatal shooting of Philando Castile, a black motorist whose death captured national attention when his girlfriend streamed the grim aftermath on Facebook. (AP Photo/Steve Karnowski)

From left: Georgia death row inmates Kelly Gissendaner, J.W. Ledford Jr. and Troy Davis, all of whom had their death chamber statements recorded before execution.

Media witnesses, including AP Oklahoma City reporter Sean Murphy, center, speak early Friday morning, April 21, 2017, about the overnight execution of Ledell Lee in Varner, Ark. At left is John Moritz of the Arkansas Democrat-Gazette, with Marine Glisovic of KATV, right. Lee was the first inmate put to death in Arkansas since 2005. (AP Photo/Kelly P. Kissel)

U.S. District Court Judge Patricia Minaldi speaks during an Empowering Women Luncheon in Sulphur, La., in 2013. Minaldi, whose unusual behavior on the bench preceded her mysterious removal from a string of cases, was ordered to get treatment for alcoholism so severe a colleague believed she could not care of herself, according to court records released April 13, 2017. (Marilyn Monroe/American Press via AP)

Dr. Erin Kimmerle, center, works with investigators as they examine the remains of an unidentified 1985 female homicide victim after the body was exhumed from a unmarked grave in Tampa, Fla., Sept. 15, 2016. Kimmerle knows locating the killer is a long shot. But if she throws enough science at the case, she feels she may identify the body and find relatives. (AP Photo/Chris O'Meara)

In this Feb. 13, 2017 photo, Casey Anthony poses with a photo of her daughter Caylee during an interview in her West Palm Beach, Fla., home. Anthony, 30, opens up for the first time on-the-record about the death of her daughter in 2008. (AP Photo/Joshua Replogle)