Chilling Case: Teen Targets Strangers in Public Attacks

Alonzo Brown sentenced to 56 years for Las Vegas killing spree

Apr. 18, 2026 at 3:50am

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An extreme close-up photograph of a shattered glass bus stop bench, the harsh lighting and dark background creating a stark, gritty aesthetic that conceptually represents the violence and randomness of the crimes.Surveillance footage captured the chilling moments before a random attack, exposing the vulnerability of public spaces.Las Vegas Today

A 22-year-old Nevada man named Alonzo Brown has been sentenced to a minimum of 56 years in prison for a six-month killing spree in Las Vegas in 2022 that left three people dead, including two strangers he stalked and murdered in public locations.

Why it matters

This case highlights the disturbing trend of random acts of violence against innocent victims, raising concerns about public safety and the need for better mental health resources and intervention for at-risk youth.

The details

According to authorities, Brown began his killing spree in January 2022 by fatally shooting someone he knew, 24-year-old Dae-von Lane, while Lane was walking along East Tropicana Avenue. Brown then went on to murder two strangers - 62-year-old Paul Viana, who was waiting at a bus stop, and 36-year-old Josue Chaparro-Montalvo, who was heading home from a convenience store. Surveillance footage showed Brown stalking and shadowing his victims before the attacks.

  • In January 2022, Brown fatally shot Dae-von Lane.
  • In May 2022, Brown murdered Paul Viana at a bus stop.
  • In June 2022, Brown killed Josue Chaparro-Montalvo.

The players

Alonzo Brown

A 22-year-old Nevada resident who was sentenced to a minimum of 56 years in prison for a six-month killing spree in Las Vegas in 2022.

Marc DiGiacomo

The Clark County Chief Deputy District Attorney who remarked during Brown's sentencing that 'He simply decided he wanted to become a serial killer.'

Dae-von Lane

A 24-year-old man who was the first victim of Brown's killing spree in January 2022.

Paul Viana

A 62-year-old man who was murdered by Brown while waiting at a bus stop in May 2022.

Josue Chaparro-Montalvo

A 36-year-old man who was killed by Brown in June 2022 while heading home from a convenience store.

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What they’re saying

“'He simply decided he wanted to become a serial killer.'”

— Marc DiGiacomo, Clark County Chief Deputy District Attorney

“'These murders are very disturbing. What was especially disturbing as they reviewed some of the surveillance footage, they noticed that the suspect seemed to stalk the victim. Appeared to be a random killing, there wasn't any apparent motive from what we can tell.'”

— Dori Koren, LVMPD Captain

“'He literally stalks the victim as the victim was waiting for a bus — and then just walks up to a stranger and executes him.'”

— Marc DiGiacomo, Clark County Chief Deputy District Attorney

“'A normal, sane 18-year-old kid is not going to go ahead and wake up and go on a killing spree.'”

— Alonzo Brown

What’s next

Brown, who was given credit for time served, won't be eligible for parole until 2078.

The takeaway

This case highlights the growing threat of random acts of violence against innocent victims, underscoring the need for improved mental health resources and intervention programs to address the root causes of such disturbing behavior.