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Weekends with Alex Witt
Robot used to stop Dallas gunman
MSNBC's law enforcement analyst, Jim Cavanaugh, talks about the robot used to detonate Dallas shooting suspect and the use of robotic machines for lethal force in the future.
Tragedy in Dallas
Parkland student: Trump’s stance to arm teachers is ‘crazy’07:15
'One More Thing': Dallas takes a stand against the NRA01:21
'Old school' hack alarms Dallas alert system08:27
Police ambush killings on the rise04:09