Survivors will face New Zealand mosque gunman at sentencing FILE - In this July 30, 2019, file photo, Aya Al-Umari, whose brother Hussein was killed in the Christchurch mosque attacks, poses, holding a photo of herself and her brother, in Christchurch, New Zealand. Al-Umari is one of more than 60 survivors and family members who this week in court will confront the white supremacist who committed the worst atrocity in New Zealands modern history, when he slaughtered 51 worshippers at two Christchurch mosques in March 2019. The four-day sentencing starts on Monday, Aug. 24, 2020.(AP Photo/Nick Perry, File)
FILE - In this March 16, 2019, file photo, Brenton Harrison Tarrant, the man charged in the Christchurch mosque shootings, appears in the Christchurch District Court, in Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history.(Mark Mitchell/Pool Photo via AP, File)
FILE - In this March 17, 2019, file photo, a police officer stands guard in front of the Masjid Al Noor mosque in Christchurch, New Zealand, where one of two mass shootings occurred. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history.(AP Photo/Vincent Yu, File)
FILE - In this March 15, 2019, file photo, ambulance staff take a man from outside a mosque in central Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history.(AP Photo/Mark Baker, File)
FILE - In this March 19, 2019, file photo, mourners pray near the Linwood mosque in Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history.(AP Photo/Vincent Thian, File)
FILE - In this March 15, 2019, file photo, people wait outside a mosque in central Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history. (AP Photo/Mark Baker, File)
FILE - In this March 16, 2019, file photo, mourners pay their respects at a makeshift memorial near the Masjid Al Noor mosque in Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history. (AP Photo/Vincent Yu, File)
FILE - In this March 15, 2019, file photo, a man reacts as he speaks on a mobile phone outside a mosque in central Christchurch, New Zealand. More than 60 survivors and family members will confront the New Zealand mosque gunman during the four-day sentencing starting Monday, Aug. 24, 2020. Twenty-nine-year-old Australian Brenton Harrison Tarrant has pleaded guilty to 51 counts of murder, 40 counts of attempted murder and one count of terrorism in the worst atrocity in the nation's modern history. (AP Photo/Mark Baker, File)
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FILE - In this July 30, 2019, file photo, Aya Al-Umari, whose brother Hussein was killed in the Christchurch mosque attacks, poses, holding a photo of herself and her brother, in Christchurch, New Zealand. Al-Umari is one of more than 60 survivors and family members who this week in court will confront the white supremacist who committed the worst atrocity in New Zealands modern history, when he slaughtered 51 worshippers at two Christchurch mosques in March 2019. The four-day sentencing starts on Monday, Aug. 24, 2020.(AP Photo/Nick Perry, File)