The successful appeal of the culpable homicide conviction actually could be good news for Oscar Pistorius.

Not that the South African "Blade Runner" sees it that way.

Murder charges can be reinstated against Oscar Pistorius, thanks to successful appeal

Multiple media outlets quoted a fellow inmate of Pistorius' at Kgosi Mampuru II prison saying that Pistorius understandably went into a rage when he learned that the prosecution won the right to appeal his acquittal for murder in the shooting death of girlfriend Reeva Steenkamp on Valentine's Day, 2013.

The inmate said the double-amputee sprinter "lost it" when he heard the news on the radio, according to the Times of South Africa.

Oscar Pistorius instructing sick inmates on workout regimens

"He got up and stomped," the inmate said, referring to Pistorius. "He went straight to the gym. He started lifting weights like it was going out of fashion. He is pissed off."

"Who wouldn't be? He was definitely expecting to be out by August."

Legal experts said Pistorius is unlikely to be released on house arrest after 10 months of his sentence as he originally hoped, the Daily Mail reported.

The Telegraph reported that if the state gets a murder conviction on the appeal, Pistorius will face a minimum 15-year sentence. He is currently serving a five-year sentence but could be released to house arrest in 10 months.

However, a South African defense lawyer specializing in murder trials, said Pistorius theoretically could have his original sentence reduced.

Attorney Mannie Witz told MailOnline that Pistorius could actually apply for bail even though it "would cause a public outcry."

"They could reasonably ask the court why must their client wait a year or more in custody while waiting for an appeal against his conviction and sentence," Witz said. "The prosecution (is) appealing against his conviction and sentence, and he could end up with a lesser sentence than the one that was handed down."

While Pistorius was angry with the decision, Steenkamp's family expressed no pleasure over the verdict.

"We believe this is part of a bigger process and is heading in the direction that it should have, and we trust the justice system," Mike Steenkamp, Reeva's uncle, told The Times. "We hold no animosity and are neither overjoyed nor celebrating. As a family, we are taking it day by day."

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