Writing Prompt #38--Discord's Bow

Finally! After years of trial-and-error, you’ve created your masterpiece: a reverse Cupid’s Bow. It’s guaranteed to make someone try to kill the first person they see. It doesn’t require a quiver or arrows. Simply pull the bowstring back, aim at a living mortal, and a transparent energy arrow will appear. It does no physical damage and merely induces a one-time/one-target-only homicidal rage. Affected targets will go after the first person they see and never stop trying to close the kill until they succeed. You strap on multiple body cams to chronicle your dastardly weapon.
What happens next?

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