That’s not a serial killer.
Possibly a spree killer.
More likely a gang banger.
Suspiciously under-reported. I did a Google search and got 5 hits, all local stories from Fl.
Might be more but I didn’t look extensively.
Gang initiations?
“In 1935, Ocklawaha was the scene of a shootout between federal agents and Barker-Karpis Gang member Fred Barker. The agents fired about 500 bullets into the house, with roughly 250 shots fired in return, according to the after-action report of Special Agent in Charge Earl “E.J.” Connelley.[8] The fight ended in the deaths of Fred Barker and his mother Kate “Ma” Barker. Each year, the Ocklawaha Chamber of Commerce puts on a reenactment of the event.[9]
Ocklawaha has an historic criminal history”:
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https://en.wikipedia.org/wiki/Ocklawaha,_Florida
As of the 2020 census, the population was 1,508.[3] The community is part of the Ocala Metropolitan Statistical Area.