Complex sentence: Police soon arrest a man named James Barr, a former army sharpshooter, after police and Emerson, a detective, discover evidence at the crime scene and at Barr's house.
Split into simpler sentences: Police soon arrest a man named James Barr, a former army sharpshooter. However, the police and Emerson, a detective, discover evidence at the crime scene and at Barr's house.