Have you ever shaken hands with a killer?

[PsychicMice]

The rhyme is honestly very impressive, it's a really specific and well thought out structure through and through.
I believe the second line of the second stanza could benefit really greatly from the edit
"Have you ever shaken hands with a killer,
And felt the tide of their misery
Crash against the palm of your hand?
A life story in one moment of synergy."
to,
"Have you ever shaken hands with a killer,
And felt their tide of misery
Crash against the palm of your hand?
A life story in one moment of synergy."

I think the sound of saying "the", "tide", "their" is really monotonous, and while the repetition of the sound may be intentional, I believe a simpler approach to the metaphor would be better.
Just off one reading I was seriously doubting I would have any suggestions for changes. I liked it a lot, great piece.