Man Punched Murderer Inside Phoenix Courtroom
A 55-year-old man attacked a convicted murderer during a sentencing hearing at the Maricopa County South Court Tower.
Updated on Sept. 24, 2026 in Criminal Justice
Alberto Ontiveros Sanchez was arrested after punching Abel Uribe four to five times in the head inside a Phoenix courtroom. The altercation occurred as Uribe was being sentenced for the 2022 murder of 27-year-old David Navidad-Parra.
Why it matters
The incident disrupted a formal sentencing hearing for a first-degree murder conviction, prompting questions about security protocols within Maricopa County court facilities. Sanchez reportedly attacked Uribe after witnessing the defendant laughing at the defense table.
Following his arrest for the courtroom assault, 55-year-old Alberto Ontiveros Sanchez was released on his own recognizance. Meanwhile, Abel Uribe is serving a life sentence for the 2022 murder of David Navidad-Parra.
The players
Alberto Ontiveros Sanchez
He is a 55-year-old man who has lived in the country for 30 years and was arrested following the courtroom altercation.
Abel Uribe
He is a convicted murderer who pleaded guilty to first-degree murder for the death of David Navidad-Parra.
David Navidad-Parra
He was a 27-year-old victim killed during a private vehicle sale in December 2022.
The details
Sanchez lunged at Uribe, who was wearing handcuffs and leg chains, while the defendant was walking back from the podium. The attack took place inside the South Court Tower on Madison Street after Sanchez allegedly reacted to the defendant's behavior.
Timeline
December 2022: David Navidad-Parra was killed during a vehicle sale.
September 22, 2026: Sanchez attacked Uribe in court at 10:30 a.m.
Legal Context
This courtroom attack follows a pattern of high-profile security breaches that challenge the efficacy of standard safety measures at the Maricopa County South Court Tower. The incident highlights the difficulty of maintaining order during emotionally charged sentencing hearings.
The incident may trigger an immediate review of security procedures for visitors and defendants within the South Court Tower. Residents attending court proceedings could encounter stricter screening processes or expanded restrictions on courtroom movement.
The takeaway
Courtroom safety remains a critical concern for judicial staff and public attendees during sensitive criminal proceedings. Authorities advise civilians to maintain professional conduct regardless of their emotional response to the defendant.
Further reading
Find more coverage on this case in the Criminal Justice section.
