NCIS: Sydney season three will premiere on CBS on Tuesday, October 14, and star Olivia Swann has teased the fallout of season two's finale and how it will impact Mackay and JD's bond moving forward. "Mackay's not someone who will admit when she's wrong, but we do see her struggling with the fallout of Darwin," Olivia tells HELLO! "One of the big things is that we see a Mackay who is second-guessing herself, a leader who is now thinking, 'Hang on, I could make a choice that's incredibly wrong, and I could put people and myself in danger.' That's high-pressure stuff."

At the end of season two, viewers – and Mackay – discovered that JD's instincts had been right, and her old friend and new flame Etienne was a co-conspirator of arms supplier Hensie Dekker. JD then shot and killed Et

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