Arsonists who killed four young children in petrol bomb house attack jailed for life for second time

Arsonists who killed four young children in petrol bomb house attack are jailed for life for second time over death of youngsters’ mother 20 months after the blaze

  • Thugs threw petrol bombs through 37-year-old Michelle Pearson’s window, claiming lives of her four children 
  • Zak Bolland, 26, and David Worrall, 28, were found guilty of the five murders which had followed a petty feud 
  • Today Bolland has been sentenced again to a further 40 years and Worrall to another 37 years behind bars 
  • Courtney Brierley was previously found guilty of four counts of manslaughter and was locked up for 21 years 
  • Bolland’s ex-girlfriend Brierley was told today that her sentence would be extended to 12 years in prison  

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A pair of arsonists who killed four young children in a petrol bomb attack have been jailed for life for a second time after the siblings’ mother died 20 months after the blaze.

Michelle Pearson, 37, suffered 75 per cent burns after two thugs threw petrol bombs through the window of her house in Walkden, Salford, in December 2017. 

She was rescued as the blaze tore through the property before being placed in a coma, but passed away in August 2019.

The sickening attack, which also claimed the lives of her children Demi, 15, Brandon, eight, Lacie, seven and Lia, three, came after a petty feud between the attackers and the children’s older brother Kyle, 16, who escaped the flames with a friend. 

Zak Bolland, 26, and David Worrall, 28, were found guilty of murdering the mother last month and were convicted of the four children’s murders in 2018.

Today, a judge a Manchester Crown Court again sentenced Bolland and Worrall to 40 years and 37 in prison, respectively, for Ms Pearson’s murder. But she said the sentences would begin from today – extending their time behind bars. 

One of the bombs blocked the only exit to the ground floor and trapped the occupants as they lay asleep inside. 

Mrs Pearson escaped the blaze but was overheard screaming ‘Not the kids! Not my kids!’ as the blaze engulfed the house. She succumbed to her injuries after 20 months in hospital, with her mother writing: ‘After a hard 20 months of fighting our beautiful Michelle gained her wings and went to join her babies.’ 

CCTV footage showed the killers laughing and joking as they bought crates of beer just 20 minutes before their attack and filling up a petrol can at a Texaco fuel station before arriving at the Pearson home.

Michelle Pearson, 37, suffered 75 per cent burns after two thugs threw petrol bombs through the window of her house in Walkden, Salford, in December 2017

Michelle Pearson, 37, suffered 75 per cent burns after two thugs threw petrol bombs through the window of her house in Walkden, Salford, in December 2017

She was rescued from the home on Jackson Street before being placed in a coma, but passed away in August 2019 - 20 months after the attack

She was rescued from the home on Jackson Street before being placed in a coma, but passed away in August 2019 - 20 months after the attack

Michelle Pearson (pictured left, before the attack and right, in hospital), 37, suffered 75 per cent burns after two thugs threw petrol bombs through the window of her house in Walkden, Salford, in December 2017

The horrific attack, which also claimed the lives of Ms Pearson's children Demi, 15, Brandon (left), eight, Lacie (centre), seven and Lia (right), three, came after a petty feud between the attackers and the children's older brother

The horrific attack, which also claimed the lives of Ms Pearson's children Demi, 15, Brandon (left), eight, Lacie (centre), seven and Lia (right), three, came after a petty feud between the attackers and the children's older brother

The horrific attack, which also claimed the lives of Ms Pearson’s children Demi, 15, Brandon (left), eight, Lacie (centre), seven and Lia (right), three, came after a petty feud between the attackers and the children’s older brother

CCTV footage shows the house explode into flames after petrol bombs were thrown through the windows in December 2017

CCTV footage shows the house explode into flames after petrol bombs were thrown through the windows in December 2017

CCTV footage shows the house explode into flames after petrol bombs were thrown through the windows in December 2017 

Bolland’s then girlfriend Courtney Brierley, 23, pleaded guilty to Mrs Pearson’s manslaughter earlier this year.

The trio had already been convicted in 2018 over the deaths of Mrs Pearson’s children.

Bolland was found guilty four counts of murder and three of attempted murder while Worrall was convicted of four murders and three counts of attempted GBH.

Both were given life sentences, with minimum terms of 40 and 37 years respectively. Brierley was told today her sentence would be extended to 12 years in prison.

In a heartbreaking victim impact statement read to the court, Mrs Pearson’s brother Chris Pearson described the impact the five deaths had had on their family.

He also described the many months of suffering she spent in hospital due her injuries and how the family had been forced to break the news that four of her children had died in the fire.

A typical day would her involve her ‘crying in pain’ and grieving the loss of her children, he said.

She would repeatedly ask ‘where are my kids?’ or if they’d died in an accident because she couldn’t recall previous conversations.

After learning what happened, she would get upset and distressed and tell nurses: ‘He killed my kids, he killed my babies.’

As she’d been too ill to attend the children’s funeral another ceremony was held in hospital. But she was so devastated by their loss, ‘she wanted to die, she couldn’t live without her children.’

CCTV images captured Bolland and Worrall filling up a petrol can at a Texaco fuel station before arriving at the Pearson home in Walkden, Greater Manchester.

They were joined by Brierley and all three made petrol bombs at a nearby address.

The two men then removed a fence panel from the garden, smashed a kitchen window and tossed in two lit petrol bombs, while Brierley waited in a car. 

One bomb landed near the stairs, blocking the only exit to the ground floor and trapped the occupants as they lay asleep inside.

Kyle managed to escape from an upstairs window but his four siblings, who were sleeping in a front bedroom, perished in the flames.

Younger sister Lia, aged three, was rescued from the house but died in hospital two days later.

Mrs Pearson, who was sleeping in the same room as Lia, escaped the blaze but was overheard screaming ‘Not the kids! Not my kids!’ as the fire engulfed the three bedroom mid-terrace house. 

CCTV previously shown to the jury showed Bolland and Worrall at the address at 4.55am for one minute and five seconds.

Demi Pearson tragically died in the blaze

Demi Pearson tragically died in the blaze

Lia Pearson who was killed in the fire

Lia Pearson who was killed in the fire

Demi Pearson (left) and Lia Pearson (right) died in the arson attack in Greater Manchester

Michelle's mother Sandra announecd the news of her death on social media when she died in August 2019

Michelle's mother Sandra announecd the news of her death on social media when she died in August 2019

Michelle’s mother Sandra announecd the news of her death on social media when she died in August 2019 

Michelle Pearson, 37, was seen from her hospital bed releasing balloons in honour of Demi, 15, Brandon, eight, and his sisters, Lacie, seven, and Lia, three, who were killed in the house fire in December 2017

Michelle Pearson, 37, was seen from her hospital bed releasing balloons in honour of Demi, 15, Brandon, eight, and his sisters, Lacie, seven, and Lia, three, who were killed in the house fire in December 2017

Michelle Pearson, 37, was seen from her hospital bed releasing balloons in honour of Demi, 15, Brandon, eight, and his sisters, Lacie, seven, and Lia, three, who were killed in the house fire in December 2017

Timeline: Key events leading up to deaths of four children in house fire 

The death of four children was the culmination of a series of tit-for-tat attacks during the “petty” feud between Zak Bolland and Kyle Pearson over a three-week period. Here are the key events:

  • November 25, 2017: Zak Bolland’s Peugeot car is set on fire. He claims his house on Blackleach Drive, Walkden was also targeted with petrol but he put out the flames and blames Kyle Pearson. He demands money for the damage, texting Pearson’s mother Michelle Pearson: “Fire letter box I want my £500.”
  • November 26: Around 9am Bolland uses a hammer to smash the front windows and panes of glass in the front door of Mrs Pearson’s home at 8 Jackson Street, and she calls police.
  • Later that day Kyle Pearson, his brother Lewis, and friends Bobby Harris and Luke Fleming, all armed with clubs and hammers, smash windows at Bolland’s mother’s home. Bolland, Courtney Brierley and his brothers clash with the Pearsons in the street.
  • Police attend Mrs Pearson’s home in the evening after Bolland sends a text to Kyle threatening to petrol bomb the house.
  • November 28: Fire service attends to fit a letter box cover to 8 Jackson Street, to prevent accelerants being poured inside and set alight.
  • December 1: Bolland and Brierley go to the Pearson house, taunting Mrs Pearson that Bolland had been “NFA’d” – escaped police action for breaking her windows – and he makes further threats. She calls police, gives a statement and asks for a restraining order on Bolland.
  • December 9: Shortly before 6am Mrs Pearson’s wheelie bin is set on fire and “Grass” spray painted on her house by Bolland. Police attend and she names Bolland as the likely culprit.
  • December 10: Bolland and Brierley are joined by David Worrall and others in the evening, buying two cases of Budweiser from a local shop at 10.27pm.
  • December 11: At 0.40am Bolland, Worrall and two others go to Jackson Street “kicking off”, bashing the door and Worrall threatening to “Kill ’em all” before returning to Bolland’s house.
  • Police attend and take a statement from Mrs Pearson, who wants Bolland arrested, before the officers leave 90 minutes later.
  • 3.30am Bolland, Brierley and Worrall buy a case of Stella lager and a bottle of wine from a local garage and return home to Bolland’s house.
  • 4.33am Bolland and Worrall pay £1.50 for 1.23 litres of unleaded petrol from a local garage, put in a green petrol can.
  • 4.54am Bolland and Worral lift a garden fence panel at the back of 8 Jackson Street. Seconds later the flares of two petrol bombs are caught on a local CCTV camera.
  • 5.04am The first of three fire engines arrive and enter the house, which is already well ablaze, to rescue the occupants.
  • 5.47am Brandon Pearson declared dead in hospital.
  • 6.02am Lacie Pearson declared dead in hospital.
  • 7.10am Demi Pearson declared dead at the scene.
  • 5.56pm Bolland and Brierley arrested by police.
  • December 12: Worrall arrested.
  • December 13: Life support turned off for Lia Pearson, aged three, at 2.30pm.
  • May 24, 2018: Zak Bolland, 23, his 20-year-old girlfriend Courtney Brierley and David Worrall, 26, were jailed for a total of 98 years. 
  • August 25, 2019: Michelle Pearson succumbs to her injuries and dies in hospital
  • April 21, 2021: The trio are all jailed for a second time over Mrs Pearson’s death 
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The cameras recorded a flash then a larger second one from the petrol bombs, before they fled.

Neighbours ran out to help but were beaten back by the heat and flames as multiple 999 calls were made.

Three fire engines scrambled to the scene, the first arriving at 5.04am, with firefighters discovering Brandon face down on his bedroom floor, as if trying to crawl out, and Lacie directly behind him, suggesting she was following her brother to try to escape.

Regarding Ms Pearson’s death, both Bolland and Worrall had previously pleaded not guilty to murder, claiming they had been wrongly convicted of murdering her children, but admitted manslaughter. 

Jurors then delivered their guilty verdicts earlier this year following a three-week trial at Manchester Crown Court. 

Both Bolland and Worrall’s lawyers argued that it was unnecessary to increase their minimum terms.

Bolland’s QC Mark Ford said he’d tried to take his life four times while in prison and extending his term was ‘unnecessary and undesirable’.

Benjamin Myers QC, defending Worrall, said the previous sentence ‘reflected his criminality’.

But sentencing the trio, judge Mrs Justice McGowan said Mrs Pearson experienced ‘unimaginable suffering’ – both physically and mentally – due to her ‘appalling grief’.

She described it as a ‘distress that cannot be imagined’

The judge rejected arguments that Bolland and Worrall’s tariffs should not be increased, saying: ‘The public must see that there is a consequence of these convictions.’

She said time between Bolland and Worrall’s first sentencing and now would not count towards their overall terms and their sentences for 40 years and 37 years, respectively, would start form today.

Brierley was in a ‘different position’ as she had pleaded guilty and new legislation meant she would now serve 12 years in prison.

The Pearson house in Walkden, Salford, Greater Manchester is pictured with scaffolding after the fire that killed four children in December 2017

The Pearson house in Walkden, Salford, Greater Manchester is pictured with scaffolding after the fire that killed four children in December 2017

The Pearson house in Walkden, Salford, Greater Manchester is pictured with scaffolding after the fire that killed four children in December 2017 

Giving a statement afterwards on behalf of Mrs Pearson’s mother Sandra Lever, Detective Chief Inspector Cheryl Chatterton, from Greater Manchester Police’s Major Investigation Team, said: ‘We are still trying to come to terms with how they were cruelly taken away from us.

‘A whole family has been torn apart and destroyed in one night.

‘Nothing will ever bring them back and my family will never be the same again.

‘Losing Michelle and the children is still very raw. We are still struggling to come to terms with losing them, especially the way in which they died.’

She added that the sentences handed out ‘would never be enough’ and her family ‘will never be the same again’ while their killers had shown no remorse.

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