MADISON, WIS. — There was a time when residents in this liberal college city would greet homeless people by name.
They’d stop to chat with Scanner Dan, the grizzled guy with a walkie-talkie buzzing at his hip as he asked for change. They’d offer odd jobs to a man known as Snowball, who was rumored to have been a smuggler for the Chicago mob during Prohibition.
Then two violent slayings in less than three months shook residents in the state capital, which is also home to the main campus of the University of Wisconsin.