“As District Attorney, I am committed to continuing Warren Montgomery’s legacy of leading an office of true public servants. Your trust we will never betray and justice we will always seek.”
– J. Collin Sims
D.A. Collin Sims 2024 Update:
New Programs & Top Priorities in the 22nd Judicial District
District Attorney Warren Montgomery
January 2015 – November 2023
District Attorney J. Collin Sims
Sworn in November 2023
The partnership that built an office you can trust.
Quick Links
About Us
Our main office is located on the Second Floor of The St. Tammany Parish Justice Center in downtown Covington. We also have offices in Washington Parish (Franklinton) and Slidell. Our office hours are from 8:00 a.m. to 4:30 p.m. Monday through Friday (for the Misdemeanor Window, you must arrive before 4 p.m.). We follow the holiday schedule of the 22nd Judicial District Court, which closes for all federal and state holidays.
Appointments to meet with the District Attorney or any individual prosecutor may be made directly with that individual. Please understand that prosecutors can arrange meetings only when they are not required to be present in court. All media inquiries should go through our Communications Division. Please see our news page for additional information.
Contact Us
More detailed contact information can be found here.
St. Tammany Parish Office
Criminal Division
701 N. Columbia Street
Covington, LA 70433
Phone: 985-809-8383 Fax: 985-809-8365 Email: communicate@22da.com
Civil Division
21454 Koop Drive, 2G
Mandeville, LA 70448
Telephone: 985-898-3427
Fax: 985-867-5124
Email: communicate@22da.com
Slidell Office
520 Old Spanish Trail
Slidell, LA 70458
Phone: 985-646-4110
Fax: 985-646-4104
Email: communicate@22da.com
Washington Parish Office
Franklinton District Attorney’s Office
905 Pearl Street
Franklinton, LA 70438
Phone: 985-839-6711
Fax: 985-839-7860
Email: communicate@22da.com
News
Antoine Massey Sentenced to 60 Years Without Parole for Brutal Kidnapping and Rape of Former Girlfriend
District Attorney Collin Sims reports that on February 12, 2026, Antoine Massey was sentenced to a total of 60 years in prison by the Honorable Judge Alan M. Black. The sentencing follows Massey’s December 2025 conviction by a unanimous St. Tammany Parish jury on...
Washington Parish Jury Finds Keldric Harry Guilty of Second Degree Murder in Bogalusa High School Shooting
District Attorney Collin Sims announces that on Wednesday, February 11, 2026, a Washington Parish jury returned a unanimous guilty verdict against 18-year-old Keldric Harry of Bogalusa, Louisiana for the January 2024 shooting that claimed the life of a 14-year-old and...
Marrio Haynes, Jr. Sentenced to Life Plus 60 Years for 2023 Lacombe Ambush Murder
District Attorney Collin Sims reports that on Monday, February 2, 2026, 27-year-old Marrio Haynes, Jr. of Covington, Louisiana was sentenced to life in prison plus an additional 60 years following his conviction for the 2023 murder of 23-year-old Juwarren Martin. The...