![Chicago P.D.' Season 4 Spoilers: Will Mouse Join The Army Again? Exec Producer Teases Huge Storyline Ahead For Techie Chicago P.D.' Season 4 Spoilers: Will Mouse Join The Army Again? Exec Producer Teases Huge Storyline Ahead For Techie](https://d.ibtimes.com/en/full/2422433/chicago-pd.jpg?w=1600&h=1600&q=88&f=64f7c8b54bf66f5129d3f59a4af58944)
Chicago P.D.' Season 4 Spoilers: Will Mouse Join The Army Again? Exec Producer Teases Huge Storyline Ahead For Techie
Deleted Scene: Mouse's Goodbye | 🚨 Exclusive Deleted Scene 🚨 The 21st District will always have your back, Mouse. We'll miss you. | By Chicago P.D. | Facebook
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