Complex sentence: Less than two months before the murders, during an on-site training session, a camp counselor found her belongings ransacked, her doughnuts stolen, and inside the empty doughnut box was a disturbing hand-written note.
Split into simpler sentences: Less than two months before the murders, during an on-site training session, a camp counselor discovered that her belongings had been ransacked and her doughnuts had been stolen. Inside the empty doughnut box was a disturbing hand-written note.