Dr. Jekyll and Mr. Hyde

A showier witness might have borrowed from popular culture to compare him to a tormented Dr Jekyll and Mr Hyde, or perhaps to Hannibal Lecter, stiff-backed in his prison cell in The Silence of the Lambs.

“Really a nightmare. I have that Dr. Jekyll and Mr. Hyde thing,” she said, adding that Richards “did step up” and was “really helpful,” as recently as last year, which “wasn’t a good time” for Mueller ahead of her latest effort to get sober.

“Which team is going to show up, Dr. Jekyll and Mr. Hyde?”

Scientists are seeing growing evidence that formaldehyde plays an important role in our biology despite its potential toxicity, giving it a dual nature much like the literary characters of Dr Jekyll and Mr Hyde.

In Robert Louis Stevenson’s 1886 novella The Strange Case of Dr Jekyll and Mr Hyde, the kindly, respected Dr. Jekyll is in conflict with his dark alter ego, the impulsive, violent Mr. Hyde.