The District Attorney

District Attorney Mack Lancaster was born and reared in St. Joseph, Tensas Parish, where he graduated from Davidson High School. He obtained a Bachelor of Science Degree in general business from Louisiana Tech University and his Juris Doctorate in 1977 from LSU. He began private practice in Oak Grove, Louisiana in 1977 and served as an Assistant District Attorney from 1984 until March 2011, when he was appointed District Attorney at the retirement of his predecessor, Billy Coenen. Mack LancasterAs Assistant District Attorney, he prosecuted thousands of felony and misdemeanor cases, including serving as lead prosecutor in the first death penalty conviction in the Fifth Judicial District in the past 50 years. Mack was elected District Attorney in October 2011. He is married to the former Martha Madden of Lake Providence, Louisiana and has three children and six grandchildren. Lancaster is a member of the First United Methodist Church of Oak Grove.

β€œI am honored to serve as District Attorney,” Mack said. β€œIt is a goal of our office to see that justice is done in the enforcement and administration of the laws of the State of Louisiana. I am very fortunate to have a very capable staff of professional attorneys and employees in my office. Our offices will be open and accessible to the public and we will provide prompt, thorough, and courteous service, striving to keep our communities safe while protecting the rights of victims and the general public.”

Office Locations

  • District Attorney John M. Lancaster
    PO Box 805 • Oak Grove, LA 71263
    318.428.3219 • da@fifthda.org
  • Franklin Parish District Attorney's Office
    6568 Main St, 2nd Flr • Winnsboro, LA 71295
    318.435.3386 • franklin@fifthda.org
    Located in Franklin Parish Courthouse,
    Second Floor
  • Richland Parish District Attorney's Office
    PO Box 417 • Rayville, LA 71269
    318.728.3166 • richland@fifthda.org
    Located in Richland Parish Courthouse,
    Second Floor
  • West Carroll Parish District Attorney's Office
    PO Box 1209 • Oak Grove, LA 71269
    318.428.3213 • westcarroll@fifthda.org
    Located in West Carroll Parish Courthouse,
    Second Floor

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