Mr. Mason

"Alex, I gave you 5 days. You failed. You should have stayed in Vorkuta."

- Dot to Alex.

Dot Mason is the father of Alex Mason and Marion Mason. He sent three letter to Alex's CIA account under the name Dad-Letter1.txt, Dad-Letter2.txt and Dad-Letter3.txt.

Biography
After a few years of his son's departure to the military, his wife falls ill and her doctor is unable to cure her. Accepting the inevitable, he contacts his two children to see their mother for the last time. He sees Marion arrive along with her sisters, but fails to find Alex. He sends eight more letters to Alex, asking for his excuse, and still not getting a reply, sends another letter, stating that the funeral service would be in five days. And even after this, Alex fails to make up during his grace period, leaving Dot in great anger with his son.

Trivia

 * Aside from Marion, he has other unnamed daughters.