Watch Chicago PD Online: Season 9 Episode 3
Paul Dailly at .Did Halstead's past rattle his colleagues?
On Chicago PD Season 9 Episode 3, a former Army agent was implicated in a deadly blast with a link to Halstead.
Meanwhile, the FBI launched an investigation into Roy's disappearance, with a big emphasis on who was close to him.
Elsewhere, Upton and Voight worked together to keep their secret, but a new arrival threatened to derail it.
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