How did otzi die and become a mummy

The best guess is that 5,300 years ago, Ötzi was crossing an alpine ridge in the Italian Alps, where he was murdered and his body preserved in the ice. His frozen corpse was discovered accidentally by hikers back in 1991, along with his clothing and equipment, on the Schnalstal/Val Senales Valley glacier

Explanation:

heres what i found. hope it helps :)

they thoght they were going to nuke each other

d) in the state of iowa