Trap 4 steps
The Invisible Ink Stamp Trap
Gladys Moss and her confidants bait Edith Swan with postage stamps treated with invisible ink, so that the letter Edith mails in a fresh attempt to frame Rose carries her own hidden name; when the letter is intercepted, the ink exposes Edith and provides the evidence for her arrest.
Read the 4 steps as text
- 1
Gladys prepares stamps with invisible ink
Gladys Moss
Gladys Moss and her confidants devise a plan using stamps containing invisible ink, set to capture Edith's inevitable next attempt to frame Rose.
- 2
Edith mails her final letter using the trap's stamps
Edith Swan · Rose Gooding
What it looked like: The letter appears to be an ordinary piece of mail in Edith's ongoing scheme to vindicate herself and cast blame on Rose, with nothing visibly unusual about it.
Edith writes and dispatches a final letter intended for her own vindication and to frame Rose, using the prepared stamps and thereby marking the letter with the invisible ink.
- 3
Gladys's niece intercepts the letter and the ink is revealed
Gladys's niece · Edith Swan
The letter Edith dispatches falls into the hands of Gladys's niece, and the hidden ink on the stamps is revealed, tracing Edith's name.
- 4
Edith is caught and Rose is cleared
Gladys Moss · Edith Swan · Rose Gooding
Gladys catches Edith in the act of mailing her final letter, the revealed ink clinches Edith's downfall, Edith is arrested, and Rose is liberated from her wrongful blame.
