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2023 Christmas Train Shooting: Former Mount Shasta Officer Cleared of Criminal Charges After Three-Year Investigation

2023 Christmas Train Shooting: Former Mount Shasta Officer Cleared of Criminal Charges After Three-Year Investigation
"Suspect Gets Fatally Shot After a Struggle With Mt. Shasta Officer on The Amtrak Train" - Police Activity

California's Department of Justice concludes its investigation into the 2023 Amtrak shooting, bringing welcome news for Detective Jeremiah Capurro, who now serves with the Yreka Police Department.

By Anastasia Sprout | Mount Shasta Observer | November 9, 2026

Nearly three years after a Christmas morning confrontation aboard an Amtrak train ended in tragedy, there is finally some welcome news for former Mount Shasta Police Officer Jeremiah Capurro.

On November 6, 2026, the California Department of Justice announced that no criminal charges will be filed against Capurro in connection with the December 25, 2023 shooting that killed 32-year-old Nicholas Detweiler and wounded an Amtrak employee.

The decision follows an extensive investigation into the officer's actions during a dangerous confrontation aboard a passenger train stopped in Mount Shasta. State investigators concluded that the evidence was insufficient to establish criminal wrongdoing beyond a reasonable doubt.

For Capurro, his family, fellow officers, and those who have followed this case, the announcement brings a welcome measure of resolution after nearly three years of uncertainty.

Capurro has since moved on from the Mount Shasta Police Department and joined the Yreka Police Department in late 2024, where he now serves as a detective, according to the City's official staff directory.

While the investigation has concluded without criminal charges, the events of that Christmas morning remain awful. A man lost his life, an Amtrak employee suffered serious injuries, and an officer responding to a dangerous situation was injured himself. The DOJ's findings offer both answers and lessons for our community.

What Happened That Christmas Morning?

Shortly after midnight on December 25, 2023, an Amtrak Coast Starlight train stopped in Mount Shasta after crew members reported a passenger threatening others with brass knuckles.

Officer Capurro responded to the call and boarded the train, where he approached Detweiler in the upper passenger compartment. Detweiler appeared to be sleeping when the officer arrived.

According to the DOJ report, Capurro awakened Detweiler and directed him to leave the train. The encounter quickly escalated into a physical struggle during which Capurro deployed his TASER and used his baton. Detweiler struck the officer in the face, and the officer called urgently for assistance.

The confrontation became even more dangerous when Detweiler placed brass knuckles on his hand and threw a punch toward an Amtrak assistant conductor. Capurro fired six shots, fatally wounding Detweiler. One of the bullets also struck the conductor, Bruce Garrett, who survived his injuries.

Capurro suffered a concussion and facial injuries during the struggle.

The incident left a family grieving, an injured railroad employee recovering, and a small police department facing serious questions about what happened, and whether the use of deadly force was justified.

California DOJ Concludes Criminal Charges Are Not Warranted

The California Department of Justice assumed responsibility for investigating the shooting under Assembly Bill 1506 and released its findings on November 6, 2026.

After reviewing body-camera footage, witness statements, physical evidence, and the circumstances surrounding the confrontation, investigators concluded there was insufficient evidence to support criminal prosecution.

The central question was whether Capurro's use of deadly force could be proven unlawful under California law. The DOJ determined that the evidence did not establish beyond a reasonable doubt that the officer acted without the intent to defend himself or others against what he reasonably believed was an imminent threat of death or serious bodily injury.

That is an important finding for an officer who was responding to a report of an armed passenger and suddenly found himself involved in a violent struggle.

Photo courtesy of California Department of Justice: Officer Capurro's facial injuries after assault aboard Amtrak train on December 25, 2023.

California Attorney General Rob Bonta acknowledged the tragedy and expressed hope that the investigation would bring some clarity to those affected.

“The loss of life is always tragic, and we hope that this report provides those personally affected and the greater Mount Shasta community with clarity,” Bonta said.

He also emphasized the DOJ's commitment to working with law enforcement agencies to promote fairness, transparency, accountability, and public trust.

The criminal investigation is now closed, although separate civil litigation arising from the shooting is a different legal matter and is not resolved by the DOJ's decision.

The announcement has drawn mixed reactions on social media. While some welcomed the decision, others questioned the officer's tactics and whether the confrontation could have been handled differently. The DOJ's decision resolves the question of criminal prosecution, but it does not mean every aspect of the encounter was beyond criticism. The department's six recommendations for improved policies and training reflect that distinction.

One Officer, One Train, and Backup Still on the Way

One of the most revealing details in the newly released report concerns the number of officers available that Christmas morning.

Capurro was the only Mount Shasta Police Department officer on duty when the call came in.

It was shortly after midnight on Christmas Day, and an Amtrak train carrying holiday travelers had stopped because of a passenger reportedly threatening others with a dangerous weapon. Capurro responded alone, entering a confined passenger compartment where civilians were nearby and the situation was unpredictable.

Mount Shasta dispatch had requested assistance from the Siskiyou County Sheriff's Office, and deputies were on their way. However, they did not arrive until after the shooting.

The report also found that although sheriff's dispatch confirmed deputies were responding, investigators could not establish that this information had been relayed to Capurro.

This raises an important question for our small mountain community: What happens when an officer encounters a dangerous situation and backup is still several minutes away?

Having another officer available might have provided more options for securing the area, communicating with the passenger, protecting bystanders, or assisting with the arrest. We cannot know whether it would have changed the outcome, but the incident certainly demonstrates the challenges facing rural police departments operating with limited staffing.

Police Chief Robert Gibson has previously discussed the difficulties of maintaining adequate patrol coverage, managing overtime, and providing sufficient training with limited resources. The Christmas train shooting offers a sobering example of why these issues can become a matter of life and death.

Six Recommendations to Improve Police Safety and Training

Although the DOJ determined that criminal charges were not warranted, its investigation also identified six areas where the Mount Shasta Police Department could strengthen its policies and training.

These include better tactical planning before approaching potentially dangerous individuals, additional instruction on effective TASER use, clearer requirements for de-escalation when feasible, and improved communication techniques during confrontations.

The DOJ also recommended better communication between dispatchers and officers during low-staffing shifts, along with stronger policies and training to minimize the danger to bystanders when firearms are discharged.

The recommendations are especially relevant given that an Amtrak employee was struck by gunfire during the confrontation.

These findings provide an opportunity for the department to review its practices and strengthen its response to future emergencies. Supporting law enforcement and improving training are not competing goals. Both contribute to safer outcomes for officers and the people they serve.

Supporting the People Who Answer Our Emergency Calls

In a small town like Mount Shasta, our police officers and firefighters are often responding to emergencies with far fewer resources than larger departments have available.

A routine call can become dangerous in seconds, and officers must make difficult decisions under circumstances most of us will never experience. The Christmas morning shooting is an example of just how quickly a situation can escalate, especially when an officer is working alone.

The City has also recently received some encouraging news for its fire department: a $300,000 federal grant through FEMA's Staffing for Adequate Fire and Emergency Response (SAFER) program. The four-year award will help support firefighter recruitment and retention.

Although that funding does not provide additional police officers, it represents a welcome investment in the people who respond when our community needs help.

The broader challenge remains ensuring that our emergency responders have the staffing, training, equipment, and backup necessary to protect themselves and the public.

Moving Forward

The conclusion of the DOJ investigation is welcome news for Detective Jeremiah Capurro, who has continued his law enforcement career in neighboring Yreka.

It also closes an important chapter in the criminal review of an incident that has weighed on those involved and raised difficult questions for our community.

We can recognize the danger Capurro faced that Christmas morning and appreciate the men and women who answer these calls, while also remembering Nicholas Detweiler, whose family continues to live with his loss, and Bruce Garrett, who was seriously wounded.

The DOJ's findings provide an opportunity to move forward with greater clarity. With the likely passing of Measure H (the November 5 preliminary results showed 620 votes in favor and 321 opposed, or approximately 65.9% support), the Mount Shasta Police Department should have access to training funding to fulfill the DOJ's recommendations, as well as more staffing.

And perhaps that is one of the most important lessons from this tragedy: When we ask our police officers to protect our community, we need to make sure they have the support and backup to do that job as safely as possible.

Sources and Further Reading

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