Another possible scenario: death penalty caused the hung jury (EDIT: Nevermind)

None of us know why or hose the jury hung on the murder charge. It could have been any combination of acquittal/manslaughter/second/first splits.

Considering they found guilty on all the other charges, I would expect that the division did not include an acquittal dissenter. Rather, it seems most logical that there was a division on first or second degree.

Florida is one of the states that still engages in the barbaric practice of executing its people. A sentence of death is only available in Florida for first degree murder conviction. It is not beyond the realm of possible that one (or more) on the jury refused to endorse first degree murder because they knew that death could then be sought. Likewise, it is possible that one (or more) on the jury refused to go with second, because they wanted to see him die.

If it was either of these scenarios, it provides yet another reason why the death penalty should, and in time will be, banned in the United States.

EDIT to add: The prosecutor did not seek death, but rather life without parole. So my hypothetical is incorrect.