Complex sentence: At 10:50 p.m. on Saturday, March 18,1882, Morgan Earp was shot by assailants who fired through a glass-windowed, locked door while Morgan was playing a late round of billiards at the Campbell & Hatch Billiard Parlor in tombstone against owner Bob Hatch.
Split into simpler sentences: At 10:50 p.m. on Saturday, March 18,1882, Morgan Earp was shot by assailants who fired through a glass-windowed, locked door at the Campbell & Hatch Billiard Parlor in Tombstone. At the time, Morgan was playing a late round of billiards against owner Bob Hatch.