How Terror Groups Prey on the Vulnerable for Maximum Impact
![](https://media.wnyc.org/i/800/0/c/85/1/AP_17143743133352.jpg)
A British flag is seen next to flowers after a vigil in Albert Square, Manchester, England, Tuesday May 23, 2017.
( Emilio Morenatti / Associated Press )
( Emilio Morenatti / Associated Press )
Produced by Dana Roberson
Hosted by Todd Zwillich