The body of a missing Oklahoma woman whose infant was found abandoned last week at a St. Louis County apartment complex has been found.

The St. Louis Post-Dispatch reported Tuesday that police found the body of 30-year-old Ebony Jackson in trunk of her 2004 Mitsubishi Galant.

Jackson's 3-month-old son was found in a hallway of an apartment complex in Breckenridge Hills at 5 a.m. Friday. The child was in a car seat and was in good health.

Jackson is originally from East St. Louis, Ill., but had been living in Oklahoma City. She was reportedly coming to the St. Louis area for a visit last week but relatives have not heard from her since Thursday.

The newspaper reported that the cause of death had not been determined.