News & Announcements

Sheriff's Office

Posted on: September 2, 2023

LCSO Makes Arrest in Fatal Shooting on Stanford Square in Sterling (update)

image of sheriff's vehicle and badge with the words media release

UPDATE:  

Loudoun County, VA (September 3, 2023)  The Loudoun County Sheriff’s Office (LCSO) has arrested a Sterling man in the fatal shooting that left an eighteen-year-old dead.      

 

On Friday, September 1, at approximately 10:33 p.m., LCSO deputies responded to the 21000 block of Stanford Square in Sterling, for a report of a shooting.   Upon arrival, deputies located, Alex Omar Cartagena Jr., age 18, of Sterling, suffering from gunshot wounds.  Immediate life-saving measures were initiated, and EMS provided aid to the victim. Despite the best efforts, the victim was pronounced deceased at the scene.

 

Yesterday afternoon, at approximately 1:20 p.m. deputies arrested Jaylin E. O’Brien, age 18, of Sterling, who was charged with Second Degree Murder, Attempted Second Degree Murder, and two counts of Use of a Firearm in the Commission of a Felony.  O’Brien was transported to the Loudoun County Adult Detention Center where he is being held without bond.

 

“The arrest followed exhaustive efforts by our detectives, deputies, crime scene personnel, and analysts who worked tirelessly to make an arrest in the murder of Alex Omar Cartagena Jr., said Sheriff Mike Chapman.  “It’s always tragic to see young lives taken in this way,” he added.

 

The circumstances surrounding the shooting remain under investigation and investigators are asking anyone with information to call Detective S. McCormack at 703-777-1021. You may also submit an anonymous tip by calling 703-777-1919 or using the Loudoun County Sheriff’s Office app. 

 

 

 

Original Release

Loudoun County, VA (September 2, 2023) – The Loudoun County Sheriff’s Office (LCSO) is actively investigating a shooting in Sterling, that left a man dead.     
    
Last evening, at approximately 10:33 pm, LCSO deputies responded to the 21000 block of Stanford Square in Sterling, for a report of a shooting.   Upon arrival, deputies located a young adult male suffering from a gunshot wound. The victim was pronounced deceased at the scene.

 

There continues to be a heavy police presence in the area and investigators are asking anyone with information to call Detective S. McCormack at 703-777-1021. You may also submit an anonymous tip by calling 703-777-1919 or using the Loudoun County Sheriff’s Office app. 

 

Facebook Twitter Email

Other News in Sheriff's Office

image of sheriff's vehicle and badge with the words media release

LCSO Investigating Fatal Crash in Ashburn

Posted on: April 1, 2024 | Last Modified on: April 1, 2024
image of sheriff's vehicle and badge with the words media release

Major David Hill of Loudoun County Sheriff’s Office Graduates from FBI National Academy

Posted on: March 20, 2024 | Last Modified on: March 20, 2024
image of sheriff's vehicle and badge with the words media release

Ashburn Homicide Suspect in LCSO Custody

Posted on: February 26, 2024
image of sheriff's vehicle and badge with the words media release

Pedestrian Fatality in Sterling

Posted on: February 21, 2024
image of sheriff's vehicle and badge with the words media release

LCSO Deputy Returns Home After Injury

Posted on: January 29, 2024
image of sheriff's vehicle and badge with the words media release

Loudoun County Sheriff’s Office Arrests Fentanyl Dealer

Posted on: January 26, 2024 | Last Modified on: February 5, 2024
image of sheriff's vehicle and badge with the words media release

LCSO Recognizes Graduates from the 57th Crisis Intervention Training Program

Posted on: January 26, 2024 | Last Modified on: January 26, 2024
image of sheriff's vehicle and badge with the words media release

Arrest Made in May Stabbing Incident

Posted on: December 21, 2023
image of sheriff's vehicle and badge with the words media release

LCSO Investigating Stabbing in Sterling

Posted on: November 11, 2023
Crash website

Deceased Identified in Fatal Crash

Posted on: October 26, 2023
Press release website

Residents Beware of Jury Duty Scam

Posted on: May 11, 2023
Press release website

LCSO Arrests Two Suspects in Burglary

Posted on: February 11, 2023
Press release website

LCSO Arrests Area Man in Stabbing

Posted on: February 6, 2023
Press release website

LCSO Investigating Robbery in Sterling

Posted on: November 28, 2022
PRMEDIA

Manassas Man Dies in Workplace Accident

Posted on: November 26, 2022
Press release website

Daycare Employee Charged with Child Abuse

Posted on: November 18, 2022
Missing website

Aldie Teenager Located

Posted on: October 28, 2022
Press release website

LCSO Investigating Robbery in Leesburg

Posted on: October 13, 2022
Press release website

Stone Colburn Arrested in Pooler, GA

Posted on: October 7, 2022
NoShave3

Thank You Loudoun County!

Posted on: December 2, 2019