Stephen Moffat yapfuye ku rupfu rwa Mariya yagize ati: "Yego, ntidukinira umuntu, mu kiganiro yapfuye. Dukurikije Miffata, ibintu byagiye kuriyi nzira kugirango wongere uhindure ibintu bitunguranye.
"Mu by'ukuri ni ko" Sherlock "ni inkuru Sherlock na Doctor Watson, kandi azahora gusubizwa iyi - buri, buri, buri. Nibyo, barishimye nkaba batatu, ariko mugihe kirekire ntibikora. Buri gihe twari tuzi ko Mariya agomba kugenda ko tuzasubira mu bagabo babiri - iyo miterere, "Moffaat yaravuze, yerekeza kuri Canon Arthur Conan Doyle.
Ati: "Nta kwibeshya hamwe na Mark tuzi Sherlock neza kuruta Sir Arthur Conan Doyle. Nuburyo uru ruhererekane rukora, kandi nuburyo bizahora bakora. Twasubiye muri verisiyo gakondo kandi izwi cyane. "
Urukurikirane rwa kabiri rw'ibihe 4 "Sherlock", Ibuka, hazasohoka ku ya 8 Mutarama (ku ya 9 Mutarama.