An autopsy found Wood was beaten to death.
Hours after the body was discovered, police arrested a suspect who led them on a 30-mile car chase that ended in Glencoe late Friday night.
So far the suspect not been charged.
Suspect questioned in suburban police chase
ELK GROVE VILLAGE, Ill.
Marilyn Wood did not show up for work on Friday morning.
Police were called for a well-being check.
Officers found her body in the basement of her home.
