DNA evidence leads to two arrests for 1984 cold case homicide

Monday, December 3, 2012 - 4:25pm

Two people have been arrested for their alleged connection to a cold case murder that happened in 1984.

The Baton Rouge Police Department reports that Ronald Dalton Dunnagan, 64, of Bossier City and Leila Mulla, 57, of Astoria, New York have been arrested for the death of Gary Kergan. Although Kergan’s body was never found, he was declared dead by the courts in 1986.

Officials say the incident happened on Nov. 29, 1984. An investigation was launched after Kergan’s vehicle was found abandoned in Metairie. A significant amount of blood was found in the trunk of the car. Investigators believed Dunnagan and Mulla robbed and killed Kergan at his home located in north Baton Rouge. However, the District Attorney’s office declined to prosecute because of a lack in evidence.

Blood from the trunk of the car was recently re-tested at the Louisiana State Police Crime Lab. DNA analysis proved that the blood did belong to Kergan. Officials did not say whether any additional evidence was gathered from that testing.

Dunnagan and Mulla were questioned last week. Based on those interviews arrest warrants were obtained and Dunnagan was taken into custody by the Bossier City Sheriff’s Office and Mulla by the New York Police Department. Both have been charged with Criminal Conspiracy, Simple Robbery and Second-Degree Murder.


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This really got me thinking hard, could it be possible that this man had something to do with Clinton Devon Nelson and Gregory Vice's disappearance too, because he lives in the same general vicinity as these young men did!!

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