Police at the Funeral tea. Campion heads to the house and meets the famous Caroline Faraday, who hires him to help them resolve matters. Oates analyses the teacup and finds traces of conium poison (hemlock, the poison that was used to execute Socrates, and one of the species in the carrot genus, including dill, and parsnip), while Campion finds a stash of weight-loss pills in Julia's room. Uncle William approaches Marcus, telling him he has been suffering from blackouts, and Campion also finds the old man's service revolver is missing, along with some cord from the same (unused) room. Later, Campion finds William in
Red-backed poison frog Red-backed poison frog The red-backed poison frog ("Ranitomeya reticulata") is a species of frog in the family Dendrobatidae. It is an arboreal insectivorous species, and is the second-most poisonous species in the genus, after "R. variabilis". Like many species of small, poisonous frogs native to South America, it is grouped with the poison dart frogs, and is a moderately toxic species, containing poison capable of causing serious injury to humans, and death in animals such as chickens. "R. reticulata" is native to the Amazon rainforest in Peru and Ecuador. The red-backed poison frog is a moderately toxic dendrobatid, and is