Dennis Sochor, who was convicted of killing Patricia Gifford on Jan. 1, 1982, just hours after meeting her at a New Year’s Eve party, has become one of the oldest inmate to be executed in Florida

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

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