A Louisiana man has been arrested after robbing a convenience store in Marshall. A witness to the holdup followed the suspect and notified Harrison County dispatch of the suspect’s location. Sheriff Tom McCool then located the suspect and a chase ensued, with other officers joining the pursuit which ended when the suspect wrecked out. After a brief foot chase, 31 year old Broderick Maximillian McHenry of Shreveport was arrested on a variety of charges.