Emil's wife Nan and her brother managed to evade Baby Face Nelson, who was tailing them, and mailed a letter of warning to a U.S. Attorney's office in Chicago, which later contacted the Division of Investigation.
Emils fru Nan och hennes bror lyckades komma undan Baby Face Nelson, som förföljde dem, och postade ett varningsbrev till ett U.S. Attorney-kontor i Chicago, som sedan kontaktade FBI.