Deadly Assault in Moreno Valley, Sean Street Killed, Suspect Arrested as Homicide Investigation Continues.
Authorities in Moreno Valley are investigating a fatal assault that claimed the life of 38-year-old Sean Street on March 17, 2026. The Riverside County Sheriff’s Office confirmed that the incident occurred in the 14000 block of Big Horn Avenue, leaving the community in shock and raising urgent questions about the circumstances that led to the deadly attack.
According to law enforcement officials, the assault resulted in the death of Sean Street, who was pronounced dead at the scene. The quick response from authorities led to the arrest of 37-year-old Brandon Thigpen, who is now in custody as the investigation continues. The arrest underscores the seriousness of the incident and the commitment of local law enforcement to bringing those responsible to justice.
The Riverside County Sheriff’s Office has launched a comprehensive homicide investigation to uncover details surrounding the attack, including motive, events leading up to the assault, and any potential witnesses. Officials have urged anyone with information about the incident to come forward and assist in piecing together what happened during the tragic event.
Neighbors and community members expressed shock and sorrow over the loss of Sean Street, describing him as a valued member of the neighborhood whose life was abruptly and violently taken. As the investigation continues, authorities are working diligently to ensure that justice is served, while the community grapples with the sudden loss of a resident in such tragic circumstances.
The case remains active, and further updates will be provided as new information becomes available.









