A thug caught on digicam murdering his step-father has been jailed for at the least 17 years.
Dean Martin carried out a horror hammer assault on Keith Allan hitting the 42 year-old at the least 15 occasions.
Two youngsters cowered upstairs in terror because the 33 year-old struck on the home in Bathgate, West Lothian final July 5.
Martin blamed Keith for his mom's dying regardless of there being no proof that was true.
The killer returned to the Excessive Court docket in Glasgow on Thursday having admitted to a homicide cost in April.
Jailing him for all times, Lord Matthews minimize the minimal sentence from 20 years because of the responsible plea.
Sentencing, the choose additionally paid tribute to the 2 youngsters scarred by what occurred.
Lord Matthews instructed Martin: "They have been in the home on the time of this cruel assault.
"I've learn sufferer affect statements and they're heart-rending.
"The 13 year-old boy heard what was occurring and felt responsible that he didn't cease the assault.
"in fact, the one particular person responsible was you and, hopefully in time, the boy will have the ability to come to phrases with that.
"As a matter of truth, he bravely did his finest to ensure the little lady couldn't see or hear what was occurring.
"He additionally had the presence of thoughts to name for assist."
Keith had been married to Martin's mum Christina Allan for 16 years.
However, she tragically took her personal life final June 9 - simply weeks earlier than the killing.
Prosecutor Mark Mohammed stated Martin "shaped the assumption" that Keith was answerable for what occurred.
Regardless of that, on July 1, Martin moved in with Keith having break up from his associate.
However, the listening to was instructed they went on to "argue steadily".
On the afternoon of the homicide, Keith instructed a girl he was "struggling" with Martin residing on the home.
Nonetheless, he determined to provide his step-son "yet one more evening".
Simply hours later, Martin went on to kill Keith placing him at the least 15 occasions with a hammer.
Two youngsters upstairs had initially been alerted to Keith shouting: "What are you doing to me?"
Martin screamed again: "You shouldn't have carried out that to my mum."
One of many youngsters was described as "hyperventilating" as he phoned for assist.
Keith managed to crawl to the entrance door regardless of being underneath assault.
One neighbour then tried to step in.
However, Mr Mohammed instructed the listening to: "Keith Allan repeatedly shouted 'assist me'.
"Martin shouted to the person: 'It's okay. It's got nothing to do with you'."
A retired police officer additionally tried to intervene. He noticed Keith mendacity "half in and half out" the entrance door coated in blood.
A cell phone clip of the brutal assault was performed on the listening to in April.
Martin at the moment refused to take a look at the display and sat along with his head in his palms within the dock.
The court docket heard then how Martin referred to as his ex-partner after the killing stating: "I've simply carried out him. I am actually sorry.
"My mum instructed me to do it. He killed my mom."
Keith didn't survive the assault having suffered "intensive head accidents".
A claw hammer was discovered by police hanging from a fence on the entrance door.
Jim Keegan QC, defending, at the moment/yesterday stated: "His perception was Keith Allan killed his mom.
"That isn't supported by any proof in any way. The video performed confirmed a vicious assault in entrance of an meeting of individuals.
"He won't settle for that his mom dedicated suicide and he maintains that perception."
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