'I feel like I acted correctly': Blackwater contractor pardoned by Trump defends Baghdad killing of 14 civilians as he says he was lying in his cell bunk when he heard the news - but FBI agent who investigated case calls it a 'massacre'
Last month, Trump pardoned four ex-Blackwater contractors in 2007 shooting
Rampage in Baghdad's busy Nisour Square killed 14 unarmed civilians
Dustin Heard, Evan Liberty, Nicholas Slatten and Paul Slough were all convicted
Trump pardoned the four, ending prison sentences ranging from 15 years to life
'I feel like I acted correctly,' Liberty said in first interview after his release
Meanwhile FBI agent John M. Patarini slammed the pardon in an op-ed