Jimmy extinguished his cigarette butt and tossed it into the trashcan, then continued to walk the streets with Ruiz.
This kind of aimless wandering on the streets might seem like a waste of time, but actually it allowed for a better observation of the surrounding environment and people. For someone as experienced as Ruiz, in many cases, just by spotting gang members he could identify which gang they belonged to.
This was their compulsory course. By analyzing the gang members' patterns of movement, they could roughly determine their respective territories. And if members of another gang appeared, that might mean trouble.
Of course, Jimmy was still a rookie, he was just getting a feel for it.
Ruiz had shared a lot of information about the Bronx with him, giving Jimmy a preliminary impression. For more detailed information, they would need to go back to the office and look at the records. Ruiz was the team leader, not a tour guide.