Decklists 5144, 5268, 5340, and 5341 each have Jenny Barnes' investigator card in their decklist metadata. This does not display on the page, but is returned by the public API. These are the only four decklists which invisibly contain an investigator card.
To reproduce, navigate your browser to https://arkhamdb.com/api/public/decklist/5144.json and ctrl-f 02003, Jenny's card code.
Decklists 5144, 5268, 5340, and 5341 each have Jenny Barnes' investigator card in their decklist metadata. This does not display on the page, but is returned by the public API. These are the only four decklists which invisibly contain an investigator card.
To reproduce, navigate your browser to
https://arkhamdb.com/api/public/decklist/5144.jsonand ctrl-f02003, Jenny's card code.