Family, Friends & Fellow Officers Remember...

No passage of time will ever erase your service and sacrifice. Rest in peace always.

Detective Cpl/3 Steven Rizzo
Delaware State Police (Retired)

August 3, 2020

Officer O'Brien's story was read in Richton Park Police Department's roll call on 3-9-18 to remember and honor him.

Sgt. James Galvan
Richton Park Police (IL)

March 9, 2018

Patrolman O'Brien,
On today, the 135th anniversary of your death I would just like to say thank you for your service and sacrifice for the citizens of Chicago. And to your Family and loved ones, I wish to extend my deepest sympathy.

R.I.P.
USBP

Anonymous
United States Border Patrol

August 3, 2016

Patrolman O'Brien,
Sir, it has been 132 years since your End of Watch but you are still honored and remembered. I would just like to say thank you for your service and sacrifice for the citizens of Chicago. And to your family and loved ones, I wish to extend my deepest sympathy.

R.I.P.
USBP

Anonymous
United States Border Patrol

August 20, 2013

It has been 132 years since you made the ultimate sacrice, officer, but the CPD will never forget. Thank you for your sercice.

Detective Thomas Downes
Chicago

April 5, 2013

To fully appreciate the heroes of the present, we must recognize our heroes of the past. Your heroism and service is honored today, the 132nd anniversary year of your death. I am priviliged to be among the first to leave a tribute to you. Your memory lives and you continue to inspire. Thank you for your service. My cherished son Larry Lasater was a fellow police officer who was murdered in the line of duty on April 24, 2005 while serving as a Pittsburg, CA police officer.

Time never diminishes respect. Your memory will always be honored and revered. Rest In Peace.

Phyllis Lasater Loya
mom of fallen Pittsburg (CA) officer Larry Lasater

January 27, 2013

Rest in Peace, Patrolman O'Brien. Your sacrifice is not forgotten.

Officer 11169

April 30, 2012

So proud to be your kin. Your grandson and great grand son (my father) followed in your footsteps as Chicago Police officers. Both very proud of you. Your Great Great Grandson was named after you. You are my hero.

Kelly O'Brien Murphy
Great Great Granddaughter

September 28, 2011

You are still a hero and remembered 125 years after your death. Officers like you in the early days of American law enforcement forged the way for us that have followed and will follow.

IL Brother in Blue

August 3, 2006

Rest in Peace, Patrolman O'Brien

P.O.
Chicago P.D.

January 25, 2006

We may not know the cause of your passing, but we do know you are a hero. Thank you for your service.

A citizen

August 3, 2004