Man's wife dies in mass shooting, man finds her hidden notes on possible serial killer, man continues wife's secret work.

I was worried that this was going to be a dry "who da serial killer!?" but there were enough extras to keep me happy. It's paranormal-ish, urban legend-ish and grief horror in just the right amounts.

Be sure to stay for the afterward by the author, it's a real gut punch and sent me down a rabbit hole to learn about an amazing woman.