If put in sequential order with the other B.P.R.D. minis and one-shots, the five issues of this miniseries would be #34-38, following B.P.R.D.: Garden of Souls and preceding B.P.R.D.: 1946.
Collected EditionsB.P.R.D.: Killing Ground TPBB.P.R.D.: Plague of Frogs #3 - Vol. 3 HC
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/bprd-killing-ground/4050-19002/).
