Anat Kimchi was killed in Chicago on June 19.
Officers found a woman lying unresponsive on a bed Sunday morning.
Aaron "Rin" McGrew worked at the cultural center for 15 years.
Simon died April 9 from complications of COVID-19. He was 61.
He died last week at the age of 20.
John Prine died April 7 due to complications from the coronavirus.
Luckmann Simon served the campus for nearly 30 years.
The man was in his 60s and had an underlying medical condition.