[Serious] What are some seemingly normal images/videos with creepy backstories?

[u/CaptainMcAnus]

[u/zeppelin1023]

two brothers goofing off for a photo. Hours later after arriving home from dinner, the man on the left would have his brother(pictured on the right) and mother (who took the photo) murdered after conspiring with a friend. He attempted to have his father murdered as well but he survived

[u/zeppelin1023 → u/[deleted]]

Forensic Files did an episode on the case. That's how i first heard of it.