Complex sentence: He also robbed the Brownstone & Swartz store at Grangeville in 1878, tying up two store workers, Emil Seligman and Henry Jersusalem, who were left to lie on the store's floor overnight with their small dog for company.
Split into simpler sentences: He also robbed the Brownstone & Swartz store at Grangeville in 1878. Procopio tied up Jerusalem and another worker, Emil Seligman, leaving them to lie on the store's floor overnight with their small dog for company.