Violent crime

FILE - In this May 1, 1999, file photo, demonstrators gather on the Colorado State Capitol grounds in Denver, Colo., to protest against the National Rifle Association's annual meeting, which is being held in the city. Data shows that such shootings are less frequent and with fewer killed than in the years that preceded Columbine. Still, Americans worry about how safe schools are. (AP Photo/Eric Gay, File)

FILE - In this Dec. 14, 2012, aerial file photo, officials stand outside of Sandy Hook Elementary School in Newtown, Conn., where gunman Adam Lanza opened fire inside school killing 20 first-graders and six educators at the school. A Connecticut appeals court is scheduled to hear arguments on Wednesday, April 17, 2019, on whether parents of some of the shooting victims can sue the town for school officials' alleged failure to follow security protocols once the shooting began. (AP Photo/Julio Cortez, File)

In this undated photo provided by Puppies Behind Bars, former Weather Underground member Judith Clark poses for a photo with one of the service dogs that she trained at the Bedford Hills Correctional Facility in Bedford, N.Y. Supporters of Clark, a former radical activist who has served more than 36 years of a life sentence for her role in a deadly 1981 Brink's armored car heist, have asked a state panel to grant parole, saying she meets every legal and social test of rehabilitation. (Amelia Evans/Puppies Behind Bars via AP)

FILE--In this April 10, 2019, file photo, former Michigan state trooper Mark Bessner listens to Assistant Wayne County Prosecutor Matthew Penney deliver his opening argument in Bessner's trial, in Detroit. Charged with second-degree murder, Bessner was convicted of involuntary manslaughter Wednesday, April 17, 2019, in the death of Detroit teenager, Damon Grimes, who crashed an all-terrain vehicle and died when he was shot with a Taser by Bessner in 2017. (Clarence Tabb Jr./Detroit News via AP, File)/Detroit Free Press via AP)

This combination of undated photos released by the Jefferson County, Colo., Sheriff's Office on Tuesday, April 16, 2019 shows Sol Pais. On Tuesday authorities said they are looking pais, suspected of making threats on Columbine High School, just days before the 20th anniversary of a mass shooting that killed 13 people. (Jefferson County Sheriff's Office via AP)

FILE - In this photo from Thursday, Dec. 20 2018, Harvey Weinstein arrives at New York Supreme Court for a hearing on his sexual assault case. Both sides in the case want the press and the public barred from the Weinstein's next court appearance on April 26. (AP Photo/Seth Wenig, File)

This combination of undated photos released by the Jefferson County, Colo., Sheriff's Office on Tuesday, April 16, 2019 shows Sol Pais. On Tuesday authorities said they are looking pais, suspected of making threats on Columbine High School, just days before the 20th anniversary of a mass shooting that killed 13 people. (Jefferson County Sheriff's Office via AP)

This combination of undated photos released by the Jefferson County, Colo., Sheriff's Office on Tuesday, April 16, 2019 shows Sol Pais. On Tuesday authorities said they are looking pais, suspected of making threats on Columbine High School, just days before the 20th anniversary of a mass shooting that killed 13 people. (Jefferson County Sheriff's Office via AP)

This combination of undated photos released by the Jefferson County, Colo., Sheriff's Office on Tuesday, April 16, 2019 shows Sol Pais. On Tuesday authorities said they are looking pais, suspected of making threats on Columbine High School, just days before the 20th anniversary of a mass shooting that killed 13 people. (Jefferson County Sheriff's Office via AP)