Well, 'The Courier' is purely fictional. The plot and characters were imagined by the writers for entertainment purposes. There's no real-life basis for it.
I don't know. It might have elements of truth or it could be completely fictional. You'd have to look into the background and author's statements to know for sure.
Not really. 'Courier' is mostly a fictional creation with elements that might draw inspiration from various sources but not based directly on a specific true event or person.
The date for Dallas Comic Con can vary each year. You'd best check the official website or social media pages for the most accurate and up-to-date information.