The Courier is a legacy character from a cut mission in Early Access, and can be seen in the game when available for rescue in a security dispatch mission. The Courier has 5 AP, an inventory size of 1, is killed instantly when shot and cannot be revived, and cannot sprint. Otherwise, the Courier has default agent abilities, including attacking and using items.
Likely in error, the Courier has the same starting lines and Final Words as Decker