(Story) Red Dead's Story is More Detailed Than You Think
Charlie Prince.
Micah Bell is inspired by Charlie Price from 3:10 to Yuma. He has his cavlry craw holsters and quite similar clothes.
Spoiler alert to anyone who hasn't seen the movie. Micah's death is a reference to Charlie's death, he is shot by his gang leader in the way.
Milton & Ross.
In a fisher of men mission Ross and Milton turn their backs on Arthur at one point. Its quite easy to miss, but at that moment, Arthur reaches for his gun.
He stops because he's with Jack.
If Jack wasn't there, Arthur would've killed the big babas of both redemption games in that very moment.
Pinkertons
When the gang is packing up during the Red Dead Redemption mission, Pinkertons are seen lurking in the background moments before their attack.
Bessie
Hosea mentions his wife Bessie on numerous occasions, We can find out what she looked like from the photo hosea keeps by his bed.
Dry season
When Sean and Arthur have to burn down grays' Tobacco fields.
Sean mentions that it hasn't rained for weeks, This isn't just an empty line.
Since the beginning of chapter 3, It doesn't rain in Scarlett meadows until, after this mission.
Hosea and Lenny.
In camp, you can hear Hosea and Lenny talking about how they want to be buried. This Line: Foreshadows Hosea and Lenny being buried next to each other.