How do you trigger the "American Dreams" stranger mission?

The ''American Dreams'' stranger mission in Red Dead Redemption 2 is a unique and eerie side quest that introduces players to a serial killer mystery. To trigger this mission, you must first locate three specific crime scenes scattered across the map. These crime scenes are marked by mutilated bodies and cryptic clues left by the killer. The mission becomes available in Chapter 2 and can be completed at any point in the game, but it is recommended to tackle it early to unlock its rewards.\n\nTo begin, head to the first crime scene located near Valentine. Travel northwest of the town, close to the Dakota River, and look for a tree with a severed head nailed to it. Interact with the head to collect a map piece and examine the surrounding area for additional clues. This will mark the start of the mission and provide a hint about the next location.\n\nThe second crime scene is found near Rhodes, in the southern part of Lemoyne. Ride southeast of Rhodes, near the Braithwaite Manor, and search for a body pinned to a rock formation. Examine the body to find another map piece and a cryptic note. This note will guide you to the final crime scene, located in the western part of the map, near Strawberry.\n\nThe third and final crime scene is near the town of Strawberry, close to the Big Valley region. Look for a body hanging from a tree near the river. Interact with the body to collect the last map piece and piece together the complete map. This map will reveal the location of the killer''s hideout, which is in a small cabin northeast of Annesburg.\n\nOnce you have all three map pieces, head to the cabin northeast of Annesburg. Approach the cabin cautiously, as the killer will ambush you. Defeat him in combat and search the cabin for additional clues and a unique weapon, the Rare Shotgun. This weapon is one of the mission''s rewards and is highly effective in close-quarters combat.\n\nCommon challenges during this mission include locating the crime scenes and deciphering the clues. To make this easier, use your in-game map to mark the approximate locations and explore thoroughly. If you struggle to find the bodies, listen for the sound of crows, as they often gather near the crime scenes. Additionally, ensure you have enough ammunition and health items before confronting the killer, as the fight can be intense.\n\nThis mission is a great example of Red Dead Redemption 2''s attention to detail and storytelling. It rewards players with not only a unique weapon but also a deeper understanding of the game''s world and its darker elements. For new players, this mission offers a thrilling introduction to the game''s stranger missions, while experienced gamers will appreciate the challenge and narrative depth.\n\nPractical tips for completing the ''American Dreams'' mission include saving your game before approaching the killer''s cabin, as the fight can be unpredictable. Additionally, use Dead Eye during the confrontation to gain an advantage. Finally, take your time exploring the crime scenes and cabin, as there are hidden details and items that add to the overall experience.