Former FBI special agent details hunt for alleged 9/11 mastermind

"Daughters of 9/11," a new documentary airing on CBS on Friday, follows two women who lost their fathers in the attacks and are demanding alleged mastermind Khalid Sheikh Mohammed be held accountable. Their journey leads them to Retired FBI Special Agent Frank Pellegrino, who spent more than a decade hunting for Mohammed and eventually questioned him. Pellegrino joins "The Takeout" to discuss.

"Daughters of 9/11," a new documentary airing on CBS on Friday, follows two women who lost their fathers in the attacks and are demanding alleged mastermind Khalid Sheikh Mohammed be held accountable. Their journey leads them to Retired FBI Special Agent Frank Pellegrino, who spent more than a decade hunting for Mohammed and eventually questioned him. Pellegrino joins "The Takeout" to discuss.