Tetradiozene is a chemical classified as a neuroparalyzer, or a chemical that stops the central nervous system. It paralyzes not only limbs, but it has also been reported to paralyze vocal cords and presumably more internal functions.
Day 7
First Gentleman Henry Taylor was working with Secret Service Agent Brian Gedge to ascertain the true cause of his son's, Roger Taylor's death. Upon arriving at Roger's ex-girlfriend's apartment, he was seen drinking from a coffee cup which contained tetradiozene. He collapsed to the floor.