This is Part 3 of OneChicago's 2019/20 crossover, preceded by Infection, Part I (2019) (Chicago Fire, S08E04), and Infection, Part II (2019) (Chicago Med, S05E04).
Ricky Bartlett, the actor who plays 'Security Guard 1,' is a double-leg amputee who lost his left-leg to flesh-eating disease (necrotizing fasciitis) in 2014. No one on-set knew he was an amputee until towards the end of filming the very episode about flesh-eating disease.
Ricky Bartlett, the actor who played 'Security Guard 1' is a double-leg amputee. He lost his left-leg to flesh-eating disease in 2014 and his right-leg to bone disease in 2022. No one on-set knew he was an amputee until the end of filming the episode (s) about flesh-eating disease.
During the search of vehicles and people at the gas station, the black 4x4 four door truck appears to have an Autobot symbols on the rear.