Arthur "Gypsy Bob" Harper (b. 1880) was one of Michigan's most notorious criminals. Murder, theft, and assault were part of his everyday life outside of prison. Luckily he only spent 15 of his 73 years out in the world. The rest of his time was spent locked up in various prisons in New York, Missouri, Illinois, and Michigan. 

Even that didn't stop him from committing heinous crimes. 

Let's learn about the man who holds the record for the most consecutive years in solitary confinement and the most tattoos.

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