A bizarre, and deadly case of domestic violence in Polk County.
An 86 year old woman shot and killed her son, and investigators say it was self-defense.
The Sheriff's office tells us William Pennypacker had been drinking Friday night. Deputies say the 64-year-old got angry at his mother, Nancy, and started punching her in the face.
It wasn't long before both pulled out guns, and started shooting at each other. Both of them were shot.
The son died, but his mother is expected to survive.
Investigators say the son had a history of violence toward his mother, and had been arrested for it before.
FOX 13 / WTVT-TV
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