NCIS: Sydney’s Vanessa Lachey discusses the evolution of her character, Special Agent Michelle Mackey, in the third season. The upcoming episode, titled “Ghosted,” delves into Mackey’s past, shedding light on a court martial incident from her time as a Marine Corps helicopter pilot. Lachey expresses her excitement about the depth of her character and hints at more revelations to come. As Mackey warms up to her team, the episode explores Sydney’s haunted Rocks area. Lachey talks about filming in Sydney, her lack of knowledge about haunted locations, and the ongoing presence of the intriguing character Colonel Rankin. She also shares her thoughts on the Legends of Tomorrow series and the unresolved ending.