Step 1 : Introduction to the question "Which American track and field star surrendered the five Olympic medals won in the 2000 Sydney Games after admitting to using illegal steroids? "
She won three gold medals and two bronze medals at the 2000 Summer Olympics in Sydney, Australia, but was later stripped of the titles after admitting to steroid use. She did retain her three gold medals as a world champion from 1997 and 1999.
