In Basement you'll need to protect your Drugs from Police searches or intimidation. You can bribe or dissuade them from entering your Buildings, but often times if you can't afford bribes you'll end up getting caught.
Sometimes, your runner could be intercepted by cops or gangs who control a selected district. Here is the new fighting mode. Truck escort under your control should protect goods you're delivering. Attack, use special abilities, or maybe drugs from the truck.