Dennis Sochor was executed by lethal injection for the 1982 murder of 18-year-old Patty Gifford, who was raped and strangled. Her body was never found.

The series of executions, due to be carried out by the end of this month, highlights the nation’s aging death-row population.

Florida is in the process of executing three of its oldest death row inmates back to back — each one older than the last