Jennifer Corbin was found in her home dead from a single gunshot wound to the head. A handgun was found close to her body. In 1990, Dr. Corbin's dental school girlfriend as found dead from a single gunshot wound and a handgun in her lap.
Hearn's 1990 death was ruled a suicide, but after the death of Jennifer Corbin under similar circumstances, the case was reopened and Corbin was indicted for her murder two weeks later.
Prosecutors said Corbin decided to change his plea to guilty after investigators were able to link the gun used to kill Jennifer Corbin to a close friend of his. Richard Wilson told investigators that he gave the gun to Corbin a few days before Jennifer's death.
"The placement of the weapon in Barton Corbin's hands was the proverbial straw that broke the camel's back," Corbin's attorney Bruce Harvey told reporters.
Under his sentence, Corbin, 42, will be eligible for parole.