Newell Mock, 67, was embroiled in a 'domestic dispute' with Rhonda Mock, 65, prior to murdering Joshua Johns, 40, and leaving Jessica Johns, 40, with gunshot injuries.
Grandad shoots wife's daughter and her husband as their children slept through horror attack upstairs A grandfather engaged in a heated argument with his wife before shooting her daughter and son-in-law while their children were asleep upstairs.
Newell then journeyed to the home of Rhonda's daughter, Jessica Johns, in the SweetBay area of Panama City, Florida, carrying the firearm.
Police then entered a home to discover Joshua Johns dead and Jessica Johns critically injured.
Their two children were found asleep upstairs, unaware of the tragedy, while officers and a volunteer chaplain stayed with them until relatives arrived.
