Kelly Harding was a man who knew a little something about trouble.
He had a bit of criminal past and was serving a year in the Pinellas County Jail for burglary.
Harding didn't live to see his release date; he was murdered in jail early Sunday morning.
"This is the first time ever, that I am aware that we've had a murder occur within the Pinellas County Jail," said Pinellas County Sheriff Bob Gualtieri.
Scott Greenberg has been charged with first degree murder.
Investigators say Greenberg and Harding didn't know each other but both were inmates who didn't get along with others.
Both were in protective custody because of clashes with guards and other inmates.
Saturday both men found themselves in the same cell.
"We do have a shortage of single cells so it is preferable with many of these inmates that they be in a single cell by themselves but we only have so many," said Sheriff Gualtieri.
Guards do staggered 30 minutes checks of the inmates in protective custody and did so Saturday night without incident.
That is until they heard screaming from Greenburg and Harding's cell, just six minutes after they had been checked.
"Greenburg was yelling that there was a man down within his cell," said Gualtieri.
That man was Harding, he had been strangled and had toilet paper stuffed down his throat.
Greenburg was in jail awaiting trail for killing his girlfriend Jennifer Zale at a St. Pete motel last year.
"He was charged with second degree murder because he strangled her, choked her and stuffed toilet paper down her throat and killed her," said Sheriff Gualtieri.
Investigators say this is no coincidence and believe it was a planned attack.
"Deputies also learned that earlier last night Greenburg told other inmates that he was in jail on the 2nd degree murder charge and that he was not going to do life in prison and that he wanted to go to death row," said Sheriff Gualtieri.
FOX 13 / WTVT-TV
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