Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(01 of18)
Open Image ModalShooting victim Paul O\'Neal\'s sister Briana Adams, 22, briefs the media at Michael Oppenheimer\'s, left, law office on Aug. 5, 2016 in Chicago. The family viewed the Chicago police videos from the shooting death of Paul O\'Neal early in the day at the IPRA offices with activist Ja\'Mal Green, right. (Anthony Souffle/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(02 of18)
Open Image ModalShooting victim Paul O\'Neal\'s sister Briana Adams, 22, briefs the media at Michael Oppenheimer\'s, left, law office on Aug. 5, 2016 in Chicago. The family viewed the Chicago police videos from the shooting death of Paul O\'Neal early in the day at the IPRA offices with activist Ja\'Mal Green, right. (Anthony Souffle/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(03 of18)
Open Image ModalFamily spokesman and activist Ja\'Mal Green, center, and attorney Michael Oppenheimer speak during a press conference after viewing the the dashcam and bodycam video from the July 28 police shooting death of Paul O\'Neal with O\'Neal\'s family Friday, Aug. 5, 2016 at IPRA headquarters in Chicago. (Anthony Souffle/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(04 of18)
Open Image ModalFamily spokesman and activist Ja\'Mal Green, right, and attorney Michael Oppenheimer speak one-on-one to journalists following a press conference after viewing the the dashcam and bodycam video from the July 28 police shooting death of Paul O\'Neal with O\'Neal\'s family Friday, Aug. 5, 2016 at IPRA headquarters in Chicago. (Anthony Souffle/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(05 of18)
Open Image ModalKennedi Kimmons, 20, right, holds the hand of Briana Adams, 23, as they approach a vigil to remember Adams\' brother, Paul O\'Neal, 18, at the 7400 block of South Merrill Avenue Friday, July 29, 2016, in Chicago. (John J. Kim/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Chicago officials release 'horrific' video showing events leading up to fatal police shooting of black teenager(06 of18)
Open Image ModalFamily spokesman and activist Ja\'Mal Green, right, and attorney Michael Oppenheimer speak during a press conference after viewing the the dashcam and bodycam video from the July 28 police shooting death of Paul O\'Neal with O\'Neal\'s family Friday, Aug. 5, 2016 at IPRA headquarters in Chicago. (Anthony Souffle/Chicago Tribune/TNS via Getty Images) (credit:Chicago Tribune via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(07 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators distribute photos of Paul O\'Neal before protesting his fatal shooting by a Chicago police officer August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(08 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators protest the fatal police shooting of Paul O\'Neal August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(09 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Friends of Paul O\'Neal attend a vigil to remember him August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(10 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators protest the fatal police shooting of Paul O\'Neal August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(11 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Friends of Paul O\'Neal attend a vigil to remember him August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(12 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Friends of Paul O\'Neal attend a vigil to remember him August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(13 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators protest the fatal police shooting of Paul O\'Neal August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(14 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Friends of Paul O\'Neal like candles to remember during a vigil August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(15 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators distribute photos of Paul O\'Neal before protesting his fatal shooting by a Chicago police officer August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(16 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Friends of Paul O\'Neal attend a vigil to remember him August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(17 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators protest the fatal police shooting of Paul O\'Neal August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)
Protesters Demonstrate Against Recent Police Shooting in Chicago(18 of18)
Open Image ModalCHICAGO, IL - AUGUST 5: Demonstrators surround a police vehicle as they protest the fatal police shooting of Paul O\'Neal August 5, 2016 in Chicago, Illinois. O\'Neal, an unarmed 18-year-old man was shot and fatally wounded July 28, when Chicago Police officers tried to arrest him for allegedly stealing a Jaguar car from the suburbs. The Chicago Police department released videos of the shooting to the public and media, which was captured by body cameras and dashboard cameras. (Photo by Joshua Lott/Getty Images) (credit:Joshua Lott via Getty Images)