From Eusebius of Caesarea, who first compiled a collection of martyr narratives around 300, to Thierry Ruinart, whose Acta primorum martyrum sincera et selecta was published in 1689, the selection and study of early hagiographic narratives has been founded on an assumption that there existed documents written at the time of martyrdom, or very close to it. As a result, a search for authenticity has been and continues to be central, even in...