A drink and drug-addled shoplifter armed with a knife branded a shop worker a "Jihadi" when challenged.
Stephen Priddis made a terrifying threat after handing back a bottle of alcohol he stole from Sainsbury's on Gloucester Road.
The store's CCTV camera captured the moment when he turned towards Reeta Tak at the exit and blasted: "I know where you live.
"Don't take me lightly.
"You are Jihadi, I know people who will kill you."
He then made a throat-cutting gesture.
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Priddis, 39, of no fixed address, pleaded guilty to racially aggravated harassment, theft and possessing a blade.
Judge Mark Horton jailed him for 21 months.
He told Priddis: "You have a persistent, recurrent history of committing identical offences to those committed in this case.
"You were under the influence of alcohol and drugs.
"It did cause distress to the victim."
Neil Treharne, prosecuting, said Priddis entered the store at 8.40am on February 6, placed a bottle of alcohol in his jacket and headed for the exit.
When duty manager William Price challenged him, Priddis handed over the bottle and was acting "scatty, rambling and not making any sense", Mr Treharne said.
He then pulled a stainless steel table knife from his pocket and made the chilling remark at the exit, before swiping his a hand across his throat.
Mrs Tak made an impact statement saying the incident turned her workplace from an enjoyable environment to somewhere she had become more wary.
She added she was terrified for the safety of her husband and children and had suffered insomnia and anxiety.
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When Spice user Priddis was arrested he told police: "If I was there I must have been drunk."
The court was told he has 59 convictions for 169 offences including persistent possession of blades.
In 2017 he was seen with a knife outside Bristol Royal Infirmary, threatening lamposts.
Priddis refused to cooperate both with a probation report and a psychiatric assessment.
Emily Evans, defending, said: "He has had very little in the way of support from the probation service.
"There has been somewhat of a revolving door in which he has been sentenced, released and sentenced to a custodial sentence again.
"It seems as though he struggles with finances and stable accommodation and substance abuse issues have led him to offending behaviour.
"He abuses alcohol and Spice."
