User blog comment:A Fellow Stalker/Teaser leaked/@comment-5046812-20120611193617/@comment-4488593-20120611221956

They didn't use a different character for Miller. They didn't change Artyom into some gun-toating bad ass. They stuck to the core of the novel's story and modified things because that's what they needed to do to make a good game. But Artyom's mother being killed during the Great War is a pretty big deal and they wouldn't change that.