Victims' son-in-law charged in deadly Lebanon explosion - KLTV.com-Tyler, Longview, Jacksonville, Texas | ETX News

Victims' son-in-law charged in deadly Lebanon explosion

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Richard Parker (Photo from TBI) Richard Parker (Photo from TBI)
Jon Setzer (right) and Marion Setzer died after the explosion. They are seen here in a previous Channel 4 News story. Jon Setzer (right) and Marion Setzer died after the explosion. They are seen here in a previous Channel 4 News story.
LEBANON, TN (WSMV) -

The son-in-law of a Wilson County couple killed when a package exploded at their home has been charged in their deaths.

Richard Parker, 49, was indicted Thursday on two counts each of first-degree murder and premeditated first-degree murder in the deaths of 74-year-old Jon Setzer and 72-year-old Marion Setzer.

Parker is also charged with unlawful possession of a prohibited weapon.

The Tennessee Bureau of Investigation said Parker was arrested Thursday and lives on the same property where the deadly blast occurred.

The explosion happened about 5 p.m. Monday at the Setzers' home in the 500 block of Vance Lane, near Hartsville Pike.

Jon Setzer died in the explosion, and Marion Setzer was airlifted to Vanderbilt University Medical Center in Nashville, where she died from her injuries Wednesday evening.

Officials have not yet described the package but said it was not delivered to the home through the postal service or another parcel delivery company.

The Bureau of Alcohol, Tobacco, Firearms and Explosives, the FBI, state fire marshal's office and Wilson County Emergency Management Agency were among those investigating.

Authorities have not released any information on a possible motive in the deadly explosion, but they say the community can rest assured this was a targeted and isolated case.

"Certainly any time an explosive device is used or a firearm is used, it terrorizes an area. But I think the neighborhood and the region should be calm to know this was an event inside the same family," said ATF investigator Jeffrey Fulton.

The Associated Press reported Parker was convicted of arson in 1993 in Giles County and sentenced to four months of probation, according to records.

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