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Fallen DART officer identified
Forty three year-old Brent Thompson has been identified as the DART officer killed in Dallas. Chief James Spiller joins to discuss.
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