The Shocking Details Of The Colden Kimber Case: Who Is Sean Collins, The San Francisco Man Charged With Murder?

The arrest of Sean Collins, a 29-year-old San Francisco native, has brought the spotlight onto a devastating act of violence that occurred on a busy Muni platform in the Taraval District in July 2025. This case, which involves the fatal stabbing of a good Samaritan, Colden Kimber, has ignited a citywide conversation about public safety and the consequences of intervening in public disturbances. As of today, December 20, 2025, Collins remains the central figure in a high-profile murder trial, with the San Francisco District Attorney's Office pursuing serious charges related to the deadly encounter. The tragic incident, which unfolded in broad daylight, has been described by prosecutors as a brutal and unprovoked attack that was witnessed by multiple people, including two children. The victim, Colden Kimber, was hailed as a hero for his selfless act of attempting to protect others from the suspect’s aggressive behavior. The proceedings against Sean Collins are currently moving through the San Francisco Superior Court, with the community awaiting justice for the beloved Tompkins County native who lost his life in the city by the bay.

The Criminal Profile and Known Biography of Sean Collins

While "Sean Collins San Francisco" may refer to several individuals, the man at the center of the July 2025 homicide case is the 29-year-old suspect arrested shortly after the incident. Details about his personal life are scarce, but his criminal history and current charges paint a detailed profile of the man facing justice.

• Full Name: Sean Collins
• Age: 29 years old (at the time of the incident)
• Residence: San Francisco, California (described as a native)
• Date of Incident: July 26, 2025, at approximately 4:12 p.m.
• Location of Incident: Muni platform near Ocean Avenue and Lee Avenue, Taraval District.
• Victim: Colden Everett Kimber, 28.
• Current Charges: One count of murder (PC 187(a)) with an allegation that he personally and intentionally used a deadly or dangerous weapon (a 6-inch knife).
• Prior Criminal History: Reports indicate Collins was already facing prior charges, including vandalism exceeding $400, attempted second-degree burglary, possession of burglary tools, and resisting a police officer.

The severity of the current charge, coupled with the allegation of using a deadly weapon, places Sean Collins at the center of one of the most shocking homicides in the Taraval District in recent history.

The Tragic Incident: A Heroic Intervention on the Muni Platform

The events of July 26, 2025, near City College, began with a public disturbance that quickly escalated into a fatal confrontation. According to reports from the San Francisco District Attorney's Office, the incident started when Sean Collins allegedly began jeering and making sneering comments toward women and children waiting at the light rail stop. The victim, Colden Kimber, a respected bicyclist and Tompkins County native, intervened after witnessing Collins' aggressive behavior. Kimber positioned himself between Collins and the individuals being harassed, attempting to de-escalate the situation and protect the group. Witness accounts and prosecutor reports detail a chilling moment where Collins allegedly yelled, "Oh, you think you are better than me," and "You are scared of me," before the attack. As Kimber turned toward the arriving train, Collins reportedly used a 6-inch knife to stab him in the right side of the neck. Kimber was killed on the platform, having spent his final moments protecting others. The attack was swift and brutal, shocking commuters and the local community. San Francisco Police Department (SFPD) officers quickly responded to the scene at Ocean Ave. and Lee Ave., and Collins was detained nearby, matching the description of the suspect. He was subsequently booked into San Francisco County Jail on suspicion of homicide, with the case being handled by the SFPD Homicide Detail.

Legal Proceedings and Community Reaction

The charging of Sean Collins has been a major focus for District Attorney Brooke Jenkins, who announced the charges shortly after the incident. The DA's office has been transparent about the details, emphasizing the murder charge (PC 187(a)) and the deadly weapon enhancement. The case is a critical test of the city’s commitment to addressing violent crime and ensuring the safety of its public transit systems, which fall under the purview of the San Francisco Municipal Transportation Agency (SFMTA).

The Role of Prior Offenses

The revelation that Collins was already facing multiple prior charges, including burglary and resisting arrest, has fueled public debate. Critics question how a suspect with a history of property and minor violent offenses was free to commit such a severe crime. The fact that the suspect was a San Francisco native with a known history adds a layer of complexity to the city's ongoing struggle with repeat offenders.

The Legacy of Colden Kimber

In stark contrast to the suspect's profile, the victim, Colden Kimber, has been universally remembered as a compassionate and upstanding citizen. Originally from Tompkins County, New York, Kimber was a graduate of Dryden Central School and had established a life in California. His act of bravery has resonated deeply, leading to community efforts, such as a GoFundMe campaign, to establish a memorial bench in his honor. The outpouring of support highlights the profound sense of loss for a man who embodied the best of human nature.

What’s Next in the San Francisco Superior Court

As of late 2025, the case against Sean Collins is proceeding through the San Francisco Superior Court. The legal process will involve arraignments, preliminary hearings, and eventually a trial where prosecutors will present evidence, including the testimony of witnesses, some of whom were children. The outcome of this trial is highly anticipated, not just for the justice it may bring to Colden Kimber's family, but for the precedent it may set regarding public safety and the protection of citizens who choose to intervene against aggression. The seriousness of the charges suggests that Collins faces a lengthy, potentially life-altering, sentence if convicted. The San Francisco District Attorney’s commitment to fully prosecuting this case reflects the community's demand for accountability in the face of senseless violence.

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