Dynamite, Chainsaw — [s2e4] Chicken,

: They track the gun to a woman named "Miss Birdy," who informs them she threw away the materials the gun was wrapped in.

Chicken, Dynamite, Chainsaw - Chicago P.D. (Season 2, Episode 4) [S2E4] Chicken, Dynamite, Chainsaw

: Burgess and Roman are assigned to a gun buyback program but discover a weapon linked to a triple homicide. : They track the gun to a woman

In Season 2, Episode 4, titled " Chicken, Dynamite, Chainsaw ," the phrase refers to a specific version of Rock, Paper, Scissors played by officers Burgess and Roman. Chainsaw - Chicago P.D. (Season 2