Bustle has an excellent round-up of 8 Scary Poems That’ll Give You A Fright For Halloween, compiled by Joanna Novak. The list includes Jack O’Lantern themed pieces and scarier ones, like this:

Kingdom of Debt
Erika L. Sánchez
According to a report from the University of San Diego’s Justice in Mexico project, 138,000 people have been murdered in Mexico since 2006.
They call it the corner of heaven:
a laboratory, a foot at the throat
of an empire. Before the holy
dirt, the woman with the feline gait
waits with tangled hair, mouth
agape — the letter X marked
on what’s left of her breasts