Complex sentence: On November 20,2014, Myron May shot and injured three people on the campus of Florida State University and was killed by responding police officers; before the event he had become increasingly anxious that he was under government surveillance and heard voices.
Split into simpler sentences: On November 20,2014, Myron May shot and injured three people on the campus of Florida State University and was killed by responding police officers. Before the event, he had become increasingly anxious that he was under government surveillance and heard voices.