Fr. Jackson served at Our Lady of Mount Carmel in Littleton from August of 2006 until July of 2021. Our Lady of Mount Carmel is a parish run by the Priestly Fraternity of St. Peter (FSSP), a religious order that assigns the priests who serve at the parish.
Glass houses / stones, Captain. Think about it.
I would have crossed paths with this priest, as I have been to this church several times in the past few years; I simply don't recall if I saw him.