A woman who shot dead her husband "lost her mind" after spotting a porn channel on their satellite TV bill, a court has heard.

Patricia Ann Hill, 69, has claimed innocence due to her mental state over the death last year of Frank Hill, 65, who was found by police wounded inside a shed at their home in Pine Bluff, Arkansas. He later died in hospital.

Prosecutors told jurors Ms Hill "flew into a rage" when she saw a porn channel she had already deleted from the couple's subscription had been re-added to their bill.

She allegedly went into her husband's shed, which he used as a so-called man cave, and knocked over a table which held his beer and cigarettes, according to local newspaper the Pine Bluff Commercial.

She returned to the house to pick up a pistol, deputy prosecutor Holden Raines said, before shooting her husband while he was bent over picking up the objects strewn across the floor.

He was hit once in the leg, then a second time, before Ms Hill went back into the house to call police and an ambulance.

Ms Hill's lawyer, Bill James, said the couple were "basically estranged", but that her husband's porn habit was a "personal affront to her and to her god. She told him over and over again to stop, and he said he would but went right back to doing it".

Officers found a handgun and a satellite TV bill in the couple's living room, as well a shell casing in the shed where Frank Hill was found.

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Ms Hill, Mr James said, "lost her mind" when her husband failed to stop paying for the porn channel. The defence said it would present doctors who would testify as to her mental state at the time of the shooting, he added.