There were six of them in all -- Wyatt, Warren, Newton, James, Morgan and Virgil -- but the Earp brothers left a collective legend that loomed as large as 100 men. Tracing their roots from their Illinois birthplace to the Old West towns of Leadsville, Dodge City and Tombstone, this installment of A&E's "Biography" series asks whether the Earps truly used their badges to uphold the law -- or merely to rise above it.