Forgotten Lives is a one-shot arc of Hellboy and the B.P.R.D.: 1957 written by Mike Mignola and Chris Roberson, and illustrated by Stephen Green.
Hellboy and Professor Trevor Bruttenholm team up for some quality father-son time at a New York potter's field where they try to unravel the mystery of a spectral being haunting the packed graveyard. Upon arrival, the two of them quickly realize there may be more things haunting the buried poor at the mass grave than meets the eye…
Cover by Laurence Campbell.