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    At least five shot in incident at Morgan State University

    01:39
  • 2 teens shot at Florida football practice, 11-year-old arrested

    01:38
  • Family of La'Keian Woods calls for transparency after violent arrest

    03:47
  • Viral video shows biker smash windshield, then pull gun on driver

    01:21
  • Bodycam shows violent arrest of 24-year-old Black man Le’Keian Woods

    02:08
  • Texas congressman carjacked about a mile from the Capitol

    00:28
  • Philadelphia journalist shot and killed at home

    01:57
  • Philadelphia police kill man suspected in quadruple shooting

    01:36
  • Disney sued after waterslide 'wedgie' severely injures woman

    01:34
  • Florida man's violent arrest under review after video goes viral

    01:17
  • Michigan man known for targeting child predators shot to death

    01:37
  • Trump expected to be in courtroom for first 2 days of civil fraud trial, sources say

    01:57
  • 40 lbs of fentanyl found in apartment near New York daycare

    02:21
  • Michigan school shooter may face life without parole

    01:40
  • Video shows racist assault on Boston train

    01:38
  • Remains of missing Colorado mother Suzanne Morphew found

    01:50
  • Police: Suspect was being tracked prior to Baltimore murder

    03:33
  • Suspect arrested in slaying of Baltimore tech executive

    01:57
  • Arrests follow second night of Philadelphia rioting

    01:33
  • California man freed nearly 3 decades after wrongful conviction

    01:50

U.S. cities face challenges when using violence interrupters to fight crime

03:35

Some U.S. cities are using so-called “violence interrupters” that employ community-based mediation to help prevent crime. NBC News’ Safia Samee Ali reports on how few understand the challenges, with at least one expert claiming these programs need just as much as a police department.