Louisiana › Tangipahoa Parish › District Attorney, 21st Judicial District
2 candidates are tracked for District Attorney, 21st Judicial District on the November 3, 2026 ballot: Brad Cascio and Sherman Mack. Candidate information follows official Tangipahoa Parish election filings; verify with the official election office linked below.
Brad Cascio and Sherman Mack, both Republicans, qualified for this seat on the November 3, 2026 ballot, per the Secretary of State's certified candidate list for Tangipahoa Parish. This 21st Judicial District race also appears on the Livingston Parish ballot; candidate research for this race was reused from the Livingston Parish build per the task brief. Neither candidate is the sitting district attorney; the 21st Judicial District's current district attorney is Scott M. Perrilloux, per the 21st Judicial District Attorney's office website, and he is not a candidate in this race.
Republican
Cascio is a career prosecutor and a lifelong Hammond resident who holds a 2008 bachelor's degree in criminal justice from Southeastern Louisiana University, per his campaign website. No campaign website or questionnaire response was found as of September 9, 2026; the official election filing is the only verifiable source for Brad Cascio.
Republican
Mack is the senior member of the Mack Law Firm in Livingston Parish, with 25 years of combined civil and criminal litigation experience, per his campaign website. He previously served as a Louisiana State Representative and chaired the Louisiana House Criminal Justice Committee, per the same source. No campaign website or questionnaire response was found as of September 9, 2026; the official election filing is the only verifiable source for Sherman Mack.