Theft of investment assets.

Actually this is an embarrassing question.  I had a theft of significant investment assets (online crypto currencies)  and Turbo Tax reads that the software doesn't handle that, I should engage a tax attorney.  I notice the form 4684, Part II has a section " Casualty or Theft of Property Held One Year or Less".  Could such a loss be reported with Form 4684, outside of my Turbo Tax generated return?