Complex sentence: The discovery of Ivy's body caused policemen to be dispatched by automobile from Samford, who began questioning locals, however those that had seen Ivy only saw her alone or with Mary Frisch, but not with anyone else.
Split into simpler sentences: The discovery of Ivy's body caused policemen to be dispatched by automobile from Samford, who began questioning locals. However, those that had seen Ivy only saw her alone or with Mary Frisch, but not with anyone else.