Complex sentence: By legend, Villa supposedly watched with delight as his two enemies fought it out with each other, this story is of doubtful veracity as Villa was badly injured at the time and being pursued by both the US Army and the "Federales".
Split into simpler sentences: By legend, Villa supposedly watched with delight as his two enemies fought it out with each other. However, this story is of doubtful veracity as Villa was badly injured at the time and being pursued by both the US Army and the "Federales".