Question

Why and how invisible Man was killed

Answer 1

it killed by hitting a digging object by an office r

Answer 2

Griffin dies from the gunshot wounds in the hospital. During this the effects of the monocane begin to wear off and Griffin returns to sanity, apologizing for his crimes by saying, "I meddled in things that man must leave alone." The invisibility also wears off in death and Griffin's body becomes visible again...