A mom who killed her eight-year-old son after he allegedly discovered she was having an affair with the boy’s grandfather has been jailed for 30 years.

Accused Veronica Panarello strangled Loris Stival with electrical cables and dumped his body in a remote gully in Santa Croce, Sicily after she claims he caught the pair having sex, reports Italian media.

Devious Panarello tried to pretend her son had been abducted, telling police she had taken him to school and had disappeared by the time she came to collect him in the afternoon.

Police began to suspect the mother when CCTV footage at the school did not back up her lies, judge Andrea Reale was told.

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When Panarello confessed that her son had been killed, she blamed her husband’s father Andrea Stival.

She told an earlier hearing that he had helped to plot and then carried out the murder because Loris had caught them having sex.

Stival is being investigated as an accessory to murder, reports Italian media.

He has denied the claim and is threatening to sue his daughter-in-law for slander, it has emerged.

Prosecutors branded Panarello an “egocentric, manipulative liar” and she was found guilty of murder and concealing a body.

This story first appeared in The Sun.