Washington Post:

Chalkley took none of this seriously. Who would? As Wales Online described the inquest testimony, Chalkley “said she put the comment down to Mrs Sabine making it up, because she had heard nothing on the news which would tally with what she had said during their conversation.” After the telephone call, Chalkley said that death by stone amphibian — “Watch out or I will frog you” — became something of an in-joke among her family members. …

For 18 years, no one believed the woman who said she killed her husband with a stone frog. Then…
“It is beyond doubt in my mind,” a coroner concluded Thursday, “…that foul play was at the cause of his death.”