He worked there for a little over a decade before taking a job as an Assistant United States Attorney in the District of Massachusetts.
[3] In 2006, Leone resigned from his federal prosecutor position in order to serve as the Middlesex County District Attorney.
[4] In April 2013, Leone resigned as Middlesex County District Attorney in order to become a partner at Nixon Peabody (focusing on governmental investigations and white collar criminal defense).
[5] Leone was the District Attorney who in April 2013 initially charged Irish nanny Aisling Brady McCarthy with first-degree murder in the death of a one-year-old girl, Rehma Sabir.
[7] On 1 September 2015 all charges against Brady McCarthy were dropped after Leone's successor as DA for Middlesex, Massachusetts Marian Ryan said: "Based on an assessment of the present state of the evidence, including the amended ruling from the medical examiner who performed the autopsy, the Commonwealth cannot meet its burden of proof.