They were investigating him but he was largely unknown outside of some financial and biotech circles. After Daraprim and the subsequent public outrage, not to mention his grating &quot;bro&quot; public persona, he became one of the most hated men in America. They were going to nail him for <i>something</i> as a result of that investigation.<p>Remember, they got Al Capone in the 1930s for tax evasion - not all the other things he was certainly guilty of. Several other gangsters were convicted of things like mail fraud.<p>If you&#x27;re guilty, or even just under investigation, don&#x27;t paint a target on your back. A smart person would know to lay low. Schkreli ... didn&#x27;t.