Some true stories come with sharp edges—stories we try not to remember, and that history quietly lets slip away. Madman by M.F. Gross is one of those stories, and this haunting, immersive account brings it back with startling clarity.

Set in postwar Florida, Madman unearths a 1949 murder that once transfixed the Gulf Coast. When a young mother was killed in her Crystal Beach home, it shocked the quiet beach town—and launched one of the most desperate manhunts in state history. John Calvin “Rastus” Russell, the suspect, was an escaped convict and former asylum patient whose unpredictable violence sent law enforcement into a frenzy and communities into lockdown. Over the next month, officers, bloodhounds, and terrified locals crisscrossed the region searching for a man who always seemed one step ahead. But this is more than a manhunt. Gross captures the climate of fear, the weight of justice, and the vulnerability of small-town life in a time before DNA or digital tracking. The book reads like Southern Gothic nonfiction—steeped in atmosphere, charged with tension, and grounded in historical rigor.

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Excerpt

Context: It’s August of 1949, Crystal Beach, Florida. A handsome, charismatic, young stranger has entered the house of Norman and Anne Browne – a retired couple from New York. The stranger claims he is interested in seeing the Browne’s house – as it is for sale. The Browne’s invite him in for coffee. It’s early on a Sunday morning. The following transpires…

Rattlesnake Road has not been named arbitrarily.

The climate and landscape of Florida’s Gulf Coast offers ideal living conditions for the venomous reptiles. The animals thrive in the area’s warm, subtropical environment and diverse ecosystem. The abundant availability of prey and variety of ample hiding spots makes Norman Browne’s backyard – and, in fact, most of Pinellas County, a prime habitat for rattlesnakes to call home.

For residents of Crystal Beach in 1949, this most often means Eastern Diamondback Rattlesnakes or the tiny but potent Pygmy Rattlesnake. The former is the largest venomous snake in North America, with specimens in the South often reaching six feet or longer.

While residents rarely see the slithering reptiles, a thriving population infests the wooded area around Norman Brown’s secluded home. Also inhabiting the woods around Crystal Beach are ample populations of raccoons, opossums, and coyotes.

As such, Norman keeps two shotguns on hand for encounters with unwelcome wildlife on his property. In fact, the retiree recently killed a six-foot Diamondback not far from the house. Inside the female snake, he found twenty-two eggs*

On this day, one of the weapons leans innocuously in a corner of the Browne’s bathroom. Rastus Russell has just disappeared behind the bathroom door. When he emerges, the visitor is gripping Browne’s loaded .12-gauge shotgun in his rugged, farm worker hands. And he’s not examining it for purchase. He raises the weapon and points it at Norman Browne’s chest.

“What’s the idea?” Browne demands, seated at the dining room table.

Irritated, Russell smashes the coffee cup and saucer out of Browne’s hands with the butt of the weapon. The cup crashes to the table, breaking off a piece of porcelain and staining Mrs. Browne’s white tablecloth with hot, dark coffee.

“I’m a desperate man!” he tells Browne as he explains his situation.

He tells the terrified couple that he is connected to a Chicago drug smuggling gang looking for a hideout. He threatens that if anything happens to him, his gangster pals will “take care of it.” He then demands to know where the Brownes keep their money.

When the Brownes state they have no money, Russell becomes agitated. He continues to argue with the couple, repeatedly asking about the money. The Brownes try to convince Russell they are telling the truth.

Rastus Russell isn’t buying it. He tells Mr. and Mrs. Browne he is going to tie them up while he looks for it. He asks if they prefer to be tied up in the bedroom or their garage. Apparently making the decision himself, the lifelong criminal marches the couple out to the back porch, down the steps, and takes them on the short walk through the yard to the garage.

The Brownes obediently comply – the powerful weapon pointed at their backs.

Inside the tiny, wooden, dirt floor structure, the Brownes breathe the trapped, familiar air smelling of earth, mildew, and mouse droppings. The intruder finds some spare rope. Between old cardboard Crisco boxes, light wood bushel baskets, and Norman Browne’s push-powered grass cutter, Rastus Russell binds the couple by the hands and feet. He then tosses the rope over the wooden beam in the ceiling, pulling the couple’s hands over their heads, tying the rope tight. Leaving the Brownes restrained in the garage, Russell closes the dual, barn-like doors and locks them with the outside deadbolt, securing a steel hasp.

He vanishes into the house.

Norman and Anne Browne hear their captor rustling through their home, searching for money he is convinced is inside. After a short time, Rastus Russell exits the house and, unexplainedly, climbs back into the Ford and drives away.

Traumatized but relieved, the Brownes believe their ordeal is over.

About the Author

M.F. Gross is a Florida-based writer who specializes in bringing overlooked historical events to life with the texture and pulse of great narrative nonfiction. A former financial writer with a sharp investigative instinct, he turned a chance reference to a forgotten murder into a year-long deep dive through court transcripts, archived news reports, and local oral histories. The result is Madman—a meticulously researched, emotionally resonant true crime story that restores voice and weight to the people and places left out of history books. Gross lives on Florida’s Gulf Coast, just miles from where the events of the book unfolded.

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