Complex sentence: Dylann Storm Roof (born April 3,1994) is an American who is known as the suspected perpetrator of the Charleston church shooting, in which nine African-American civilians were killed, including the senior pastor, Clementa C. Pinckney, a state senator.
Split into simpler sentences: Dylann Storm Roof (born April 3,1994) is an American who is known as the suspected perpetrator of the Charleston church shooting. Nine African-American civilians were killed in the mass shooting, including the senior pastor, Clementa C. Pinckney, a state senator.