Depends....if he is now ratting out others, SUBSTANTIAL ASSISTANCE, 5K1.1 MOTIONS, AND RULE 35 MOTIONS, or became a Confidential Informant or Cooperating Witness...he may NOT even do prison time...but even if he goes to prison, he may just be there as a Jailhouse Informant to infiltrate the inner circle of inmates the feds suspect has money hidden (e.g
Cash,
Bitcoin,
Monero, Gold etc). The feds pay good.... up to 30% of the loot they seize.
(and when the feds do it...there is NOTHING that can be done about
)
This is ONLY the FBI:
FBI Informants Involved in 22,800 Crimes in Decade: Report - The Crime Report
DEA, ATF,
IRS, and others are even worse