蛇毒

蛇 = 它 + 虫 : Sherlock Holmes (sh) is investigating the death of a mosquito (虫) in the elevator's kitchen (e2). He took a blood sample from the mosquito and analyzes it with his computer (它). It turns out that the mosquito stung the venomous snake (蛇) which is sleeping across the hall, and the venom killed the mosquito.

毒 = 龶 + 母 : Sometimes even Gaia (母) is one of the bad guys. Just inside the entrance of the space station (Ø2) she gives a poisoned apple (毒) to Doggy Dog (du) wearing a fancy headdress (龶).