Known for friendly people, traditional family values, and the Packers, Green Bay is a big city with a small-town feel. But resting beneath its welcoming demeanor is an underbelly of wickedness that has been there from its very formation.

The city's downtown district rests atop one of Wisconsin's oldest burial sites, and the west side was the location for the state's second recorded hanging, which was at the time the punishment for murder. And the city's beloved football team once drafted one of America's worst serial killers.

Compiling stories of stolen skulls, underground gangs, and crimes so horrendous and shocking they made national news, Timothy Freiss reveals a side of Green Bay few have seen.