It blows my mind that she was found guilty for defrauding investors, but not guilty for defrauding patients about their test results. Investors know that every dollar they put into a company could disappear, it's why startups get capital from investors and not bank loans. But a patient does not expect for their blood test results to be completely wrong. Her tests weren't giving false-negatives or false-positives, the…
The above does not excuse fraud. Investors know their investments are risky, but that does not give you permission to deliberately lie or mislead, with an intent to deceive the potential investor.
For example, if you tell investors that you anticipate getting $50M in new contracts over the next year, well, assuming you mean it in good faith, that's not fraud even if it doesn't pan out or was delusional to begin with.
If you tell an investor you just signed a contract for $50M, in order to get them to invest, and that's a total lie, that's fraud. Whether or not the investor did appropriate due diligence to confirm that fact or not, it's still criminal.