Media playback is unsupported on your device Media caption Sgt Danny Nightingale: "There's a bit of the old David and Goliath that's going on"

An SAS sniper has been found guilty by a military court of illegally possessing a pistol and ammunition.

Sgt Danny Nightingale, from Crewe in Cheshire, had denied having the Glock 9mm pistol and 338 rounds of ammunition.

He was originally ordered to serve 18 months in military detention after pleading guilty in November 2012.

But this was overturned on appeal on the basis that he had been placed under "improper pressure" to plead guilty.

It was only when we were talking about the case we found out the story Sally Nightingale, Wife

Nightingale, a father of two, said he had suffered a brain injury during a charity endurance marathon in October 2009 and could not remember having the gun or the ammunition.

He won the right to a retrial earlier this year after having his detention reduced to a suspended sentence of 12 months.

Speaking after the verdict, Nightingale said there was a "bit of David and Goliath going on" and thanked everyone who had supported him.

He said: "We need that support more than ever now."

Nightingale, who it was announced last month will be medically discharged from the Army, said he was considering what to do next.

He said he thought his case had been strong enough to clear his name and said the verdict had come as a "great shock".

His wife Sally said: "He is not guilty. He is not a criminal."

She said that in the court martial her husband had been accused of changing his story.

Media playback is unsupported on your device Media caption Colonel Charles Barnett, Service Prosecuting Authority, gave a short statement

But Mrs Nightingale added: "It was only when we were talking about the case we found out the story.

"He never took a weapon into the country."

His retrial at Bulford in Wiltshire heard that in 2011 Nightingale told police he had been given the pistol during a tour of duty in Iraq in 2007 and had brought it back to the UK in his kit.

However, giving evidence in court, the soldier said that confession was false because of his memory problems.

'Series of mistakes'

He said he had been filling in the gaps in his memory based on what other people had told him following his brain injury, although the court heard medical opinion on this issue was divided.

Following his original detention, his case was raised by several MPs and public figures while 100,000 people signed a petition calling for Nightingale to be freed.

The Court of Appeal later quashed his original convictions and a fresh trial was ordered.

At the Bulford hearing sentencing was adjourned by Judge Advocate General Jeff Blackett pending a Court of Appeal judgment on the sentencing powers of the court.

Nightingale was told by the judge he would be on bail until that date was announced.

Image caption The soldier had said he was given the gun as a present by Iraqis he had worked with

The soldier replied: "I understand, Your Honour."

The court martial, which began last week, heard how West Mercia Police officers found the gun and ammunition in a rented house near the SAS headquarters in Hereford.

Nightingale had shared the property with another soldier, referred to in court as Soldier N.

Police were acting on a tip-off from Soldier N's estranged wife, who told them there might be a gun stored at the house.

The Glock pistol was found in Nightingale's wardrobe, while the ammunition was under his bed in a plastic box.

William Clegg QC, defending, suggested Soldier N had brought two Glock pistols back to the UK from Iraq.

Soldier N was subsequently sentenced to two years' military detention after he admitted possessing a Glock which he brought back from Iraq in 2003.

He also pleaded guilty to possessing ammunition that was recovered by police at the house the two soldiers shared.

Mr Clegg said Soldier N had disassociated himself from the second pistol as having two would have looked like he was collecting them.

Prosecutor Timothy Cray told the five-person military board that "no soldier, no matter what his experience is or what unit he is attached to, is above the law".

He said Nightingale had made a "series of mistakes that put the public at risk".

After the verdict, Col Charles Barnett, from the Services Prosecuting Authority, said Nightingale's "fine record as a soldier" would be a matter considered when he is sentenced.