#Watch Chicago PD Online: Season 9 Episode 3

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.

Use the video above to watch Chicago PD online right here via TV Fanatic.

Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.

TV Fanatic is your destination for the latest news, spoilers, reviews, and so much more!

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.