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 the second-most poisonous of the frogs in the genus "Ranitomeya". Its toxins are used as the frog's natural defense mechanisms, making them inedible to many, if not most, of the predators in its natural area. To advertise its poison and further reduce the risk of injury, the red-backed poison frog displays its brilliant warning colors, especially its red-orange back, for which it is named. Like all dendrobatids, it does not manufacture its poison itself, but rather is theorized to take the toxins from the ants, mites, and beetles on which it lives. It absorbs the insects' poisons into its body,