Mark Allen Geralds was executed for the murder of Tressa Pettibone in her home, in what was described as 'one of the most cruel cases ever' as he subjected her to a terrifying 20-minute onslaught Mark Allen Geralds has been executed (Image: Florida Department of Corrections)

A 58-year-old man was executed at Florida State Prison on Tuesday for a horrific murder committed in 1989. Mark Allen Geralds was convicted of what prosecutors described as "one of the most cruel cases ever" after he murdered mum-of-two Tressa Pettibone in her own home, subjecting her to a terrifying 20-minute attack.

Geralds was declared dead at 6:15pm on Tuesday, following the administration of a three-drug lethal injection. His execution was the 18th in Florida this year, extending a new state record for

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