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Weekends with Alex Witt
Are 'lone wolves' hard to detect?
Chief national security correspondent at Foreign Policy magazine, Dan De Luce, discusses whether or not lone wolves in terrorist attacks are hard to investigate in advance and if lone wolf attacks give ISIS an advantage.
Pulse nightclub massacre
Widow of Pulse nightclub shooter not guilty on all counts04:11
Names of Pulse Nightclub Victims Read Aloud05:09
911 calls from Pulse nightclub are released01:57
Tim Kaine visits Pulse Nightclub00:35