A sports therapist found guilty of murdering an elderly man with a crossbow outside his home has been jailed for life with a minimum term of 31 years.
Terence Whall, a 39-year-old martial arts expert, shot 74-year-old Gerald Corrigan as he was working to adjust a satellite dish at his house in North Wales on Good Friday last April.
The retired lecturer of photography and video died in hospital three weeks later, having suffered severe internal injuries after the crossbow bolt passed through his body, bruised his heart and shattered a bone in his arm.
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Gerald Corrigan was shot with a crossbow
Mr Corrigan's son Neale was at Mold Crown Court for the sentencing on Friday, and asked through tears: "How can someone choose to use such a barbaric weapon on an old man?
"Did they really want to cause him a slow and painful death? Because that is what we witnessed and although God will ease the pain for us, we will never ever be able to forget that."
Mr Corrigan's partner Marie Bailey, 64, added: "It is a terrible inferno inside me every day, thinking of how Gerry was murdered and how he suffered."
The court heard how Whall had hidden behind a wall outside the pensioner's home, before tampering with the satellite dish to lure him into the garden where he shot him.
Whall initially claimed he was at home in Bryngwran, Anglesey, at the time, but then claimed he was having a sexual encounter with friend Barry Williams in a nearby field after police recovered GPS data from his car.
Mr Williams denied the claims.
It is not clear why Whall, who showed no emotion as he was sentenced, targeted Mr Corrigan, although jurors were told the victim and Ms Bailey had given £250,000 to a convicted conman.
North Wales Police said a parallel fraud investigation was ongoing over claims that the couple had handed the money over to Richard Wyn Lewis, who was hosting Whall and co-defendant Gavin Jones when they were arrested.
Police arrested them at Lewis' home in May last year following a reported dispute about money.
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Mr Corrigan was killed near South Stack Road on Anglesey
Judge Mrs Justice Jefford described Whall, originally from east London, as "arrogant" for believing that he "could get away with murder".
"You have deprived Mr Corrigan's family of any explanation for what was a horrific death in which Mr Corrigan was completely blameless," she told him during sentencing.
"For your own reasons you clearly had a plan to kill."
She added: "Your arrogant belief that you could get away murder was misplaced."
Whall has also been sentenced to six years in jail - to be served concurrently with his murder sentence - for conspiracy to pervert the course of justice.
That charge was in relation to plotting to set fire to a Land Rover Discovery vehicle that he was driving on the night he shot his victim - and Jones, 36, was convicted of the same offence earlier this week.
Jones, who the judge said was "integrally involved" in the plan, was jailed for five years.
His brother Darren Jones, 41, was sentenced to two years and 10 months for arson and Martin Roberts, who turned 35 on the day of sentencing, was jailed for two years and four months for the same offence.
They admitted setting fire to the car on the fifth day of the trial, which lasted more than four weeks.