Complex sentence: After removing the bodies from their shallow graves, Geyer noticed that Nellie's feet had been removed; discovering that Nellie had a club foot, he theorized that Holmes had cut off her feet to prevent a distinctive identification of the body.
Split into simpler sentences: After removing the bodies from their shallow graves, Geyer noticed that Nellie's feet had been removed. After discovering that Nellie had club foot, he theorized that Holmes had cut off her feet to prevent a distinctive identification of the body.