Opening statements are set for today in state Circuit Court in Tallahassee.
Gary Michael Hilton, who received a life prison sentence in Georgia, could face the death penalty if convicted of murdering Cheryl Dunlap of Crawfordville.
The 46-year-old nurse's body was found in the Apalachicola National Forest southwest of Tallahassee in December 2007.
The 64-year-old Hilton pleaded guilty to killing 24-year-old hiker Meredith Emerson in Georgia. Her body also was found in a forest area near Cumming, Ga., in January 2008.
Authorities also suspect Hilton in three other slayings in North Carolina and Florida.