Involvement in case: Lead prosecutor in case against George Zimmerman.

Background: De la Rionda serves as the Assistant State’s Attorney in the Fourth Judicial Circuit of Florida.

In his 27 years experience he has 250 jury trials, 67 of which were homicide cases, according to the FBI's website.  After Rick Scott appointed Angela Corey as special prosecutor, Corey made De la Rionda lead prosecutor for her team.