A long build-up and a sudden arrival
These investigations tend to run for a long time before anyone is charged, assembled from recorded conversations, subpoenaed records, and people who agreed to help along the way. They can be brought by state prosecutors, by federal prosecutors, or examined by both offices looking at the same conduct from different angles. Which office is driving it changes the shape of everything that follows. What most people notice first is not the legal theory but the disruption: devices taken, accounts restrained, a business that cannot make payroll, and employees being approached at home.
Being named is not the same as being central
The point of an enterprise theory is to group people together, which means a bookkeeper, a driver, a property manager, or a supplier can appear in the same document as people whose conduct they know nothing about. Establishing early, and in a documented way, what your actual role was and what you were paid for is the work that matters most at this stage. So is being clear about what you had no part in. It is also worth understanding that everyone named makes their own decisions, that some of them will speak with investigators, and that nothing you say to a co-defendant is protected, including calls made from a facility.
The first days, and the first meeting
Keep the charging or search paperwork, the inventory of anything seized, any subpoena, and records showing how you were employed and paid. Do not discuss the matter with others who were named, and do not post about it. If a business is affected, note which accounts are restrained and what obligations are falling due, because that often needs attention before anything else. A first conversation covers which office is prosecuting, how your position compares with the others named, what can be done about restrained property and release conditions, and what the sequence of dates ahead looks like.