Relatives, lawmakers and other supporters of a trucker sentenced to 110 years in prison after an explosive brake-failure accident that left four people dead rallied in Denver Wednesday to plead for clemency.

Supporters of Rogel Aguilera-Mederos say the sentence is deeply unjust. Truck drivers around the country have taken up his cause, using hashtags such as #NoTrucksToColorado and #NoTrucksColorado.

Speaking at the rally at the Colorado Capitol, Leonard Martinez, one of the lawyers representing Aguilera-Mederos, said the injustice of such long sentences needs to be addressed, not only by reforming sentencing laws but also by looking at the actions of prosecutors and judges.

"This fight is not just for him but for all," he said.

The Colorado judge has said mandatory minimum sentencing laws forced him to impose the long prison term after Aguilera-Mederos was convicted of vehicular homicide and other charges.

Aguilera-Mederos' family said in a statement that they do not want to minimize the loss of those killed in the crash but are calling on Colorado Governor Jared Polis to "take immediate action" to reduce the sentence for the 26-year-old man with no criminal record. He was not under the influence of drugs or alcohol and fully cooperated with investigators, supporters said in a statement. More than 4.5 million people have signed an online petition asking for a commutation.

Polis, a Democrat, said Tuesday he was reviewing a clemency application.

Prosecutors asked for a reconsideration of the sentence after the outcry, but they also said that the driver declined plea deal negotiations and that the convictions recognize harm caused to crash victims. On Tuesday, District Attorney Alexis King filed a motion asking the judge to consider the issue quickly.

Aguilera-Mederos' trial attorney, James Colgan, said Wednesday that the district attorney, who inherited the case from her predecessor, could have dropped some of the charges against him if she wanted a different sentence to be reached, given the state's laws. He said prosecutors can file extra charges against a defendant in hopes of persuading them to accept a plea bargain.

Colgan said he was open to having either the governor or the judge decide a new, fair sentence. He declined to say what that might be.

"When there's tragedy on both sides, there's got to be a happy medium, because ruining someone's life isn't going to make life better for the victims," Colgan said.

Aguilera-Mederos testified that he was hauling lumber when the brakes on his semitrailer failed as he was descending a steep grade of Interstate 70 in the Rocky Mountain foothills in spring 2019. His truck plowed into vehicles that had slowed because of another wreck outside Denver, setting off a chain-reaction wreck and a fireball that consumed vehicles and melted parts of the highway.

He wept as he apologized to the victims' families at his December 13 sentencing.

"I am not a murderer. I am not a killer. When I look at my charges, we are talking about a murderer, which is not me," he said. "I have never thought about hurting anybody in my entire life."

Prosecutors argued that he should have used a runaway ramp designed for such situations. Aguilera-Mederos, for his part, said he was struggling to avoid traffic and trying to shift to slow down.

District Court Judge Bruce Jones said at sentencing that mandatory minimum sentencing laws required consecutive sentences on 27 counts of vehicular assault, assault, reckless driving and other charges. "I will state that if I had the discretion, it would not be my sentence," the judge said.

The crash killed 24-year-old Miguel Angel Lamas Arellano, 67-year-old William Bailey, 61-year-old Doyle Harrison and 69-year-old Stanley Politano. Relatives of victims supported at least some prison time at his sentencing hearing. (VOA: Excludes headline)

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