People who have already lost money to a scam are targeted again by fake "recovery" services or people impersonating the FBI/IC3, who promise to get the money back for an upfront fee and then disappear. The FBI has warned that criminals impersonate IC3 itself for this.
What people report
Prior victim is contacted -> "we can recover your funds" -> upfront fee or crypto payment required -> more information and money extracted -> no recovery.
Warning signs
Unsolicited offer to recover scammed funds; an upfront fee or "tax/retainer"; claims to be law enforcement or a licensed recovery firm; found you in a victims' group.
Safety warning
Real law enforcement and IC3 never charge a fee to recover funds or contact victims promising to get money back.
Suggested next steps
Treat any upfront-fee recovery offer as a second scam. Report it to IC3.gov and warn others.