For instance, at ERO where Gloria is, she knows that ERO collaborates with biotechnology and military technology companies on drugs and prosthetics and is also one of their shareholders. These companies often come to ERO to find patients to test new drugs or new prosthetics.
After all, in a hospital, it's not unusual for a person or two to die, and once the body is cremated, there's nothing left.
Below that are black-market doctors without medical licenses and black markets selling prosthetics from unknown sources. These are places mercenaries and thugs often visit. If you don't want to be sold by weight by the doctors here or have your brain fried by viruses hidden in prosthetics, you must find a trusted acquaintance.
Of course, this kind of security is only relative, as this is Night City. Even the most familiar faces might stab you in the back, so you often have to bring people with you.
Wildman and his crew naturally go to those regular prosthetic shops.
