Complex sentence: Gary Lee Davis (1944-13 October 1997) was a convicted murder and rapist who was executed by the U.S. state of Colorado in 1997; he is the first person to have been subject to the death penalty in Colorado since the 1960s.
Split into simpler sentences: Gary Lee Davis (1944-13 October 1997) was a convicted murder and rapist who was executed by the U.S. state of Colorado in 1997. He is the first person to have been subject to the death penalty in Colorado since the 1960s.