The FTX network of companies (see the consolidated bankruptcy filings) includes more than 100 companies, some of which are American, all of which were ultimately controlled by SBF, most of which had what records they had commingled, and most of which seem to have been tools in the same set of international frauds.
He is only fleeing prosecution, if he is unavailable.
For example, he can easily be contacted for interviews, with an email or phone call, or even by visiting te Bahamas. Thus he is not fleeing, or hiding from contact, and I even presume he has a lawyer, whom the police can contact.
For non-capital federal crimes, the basic rule is 5 years, but there are exceptions.