we don't know if you are eligible to use the Ponzi loss safe harbor set forth in Rev. Proc. 2009-20, 2009-14 I.R.B. 749, as modified by Rev. Proc. 2011-58, 2011-50 I.R.B. 849. to be able to use these because there is the requirement that conduct of the Scammer meet the requirements that the theft loss result from a specified fraudulent arrangement that is operated by a lead figure who is indicted or the subject of a criminal complaint under state or Federal law. Additionally,
for qualified Ponzi losses section C pf Form 4684 would be completed otherwise section B
you'll find the Turbotax link under Deductions and credits > Other deductions and credits > casualties and theft. (it doesn't handle PONZI type losses well)
