I just finished playing against Kj in Haven. The first round we switched sides I rushed to garage and the turret kept shooting me even though garage was smoked. I thought ok omen might have missed his smoke or it just bugged. Then I went out to C and the turret was still shooting me. I started throwing smokes below me and the turret switched aggro on to my teammates.

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We weren't able to access C or garage the whole time. As a last resort, I told my teammates to fake A and run C. When we got to C long the turret shot us while we were in C cubby. The game ended in 9-13. I'm not sure how their KJ did it but seeing how easy it was to replicate every round, I advise you to dodge Haven for now.