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David Grimes, Captain III

David Grimes

Captain III
West Valley Division

email Captain III David T. Grimes
was born in Northern California and grew up in a small town with a
population of less than 700 people. He came to Southern California
in 1985 to attend the University of California, at Los Angeles,
graduating in 1989 with a Bachelor of Science in Kinesiology. Prior
to becoming a police officer, Captain Grimes worked in a hospital
as an Exercise Physiologist/Cardiac Rehabilitation Therapist.

Desiring to serve in law enforcement, Captain Grimes began his
career with the Los Angeles Police Department in October of 1994.
He spent his first five years of police work in Operations-Valley
Bureau (OVB) assigned to Foothill and North Hollywood Divisions.
While in the police officer rank he worked as a Patrol Officer, a
Special Problems Unit Officer, a Bicycle Patrol Officer and a Field
Training Officer. After promoting to the rank of Sergeant in June
of 2000, Captain Grimes worked in West Los Angeles Area as a Patrol
Supervisor, a Complaint Investigator, an Area Adjutant and a
Training Coordinator. During these years, Captain Grimes was
honored to teach several in-service training classes for the
Department including Basic Supervisor School and Watch Commander
School. Captain Grimes transferred to Internal Affairs Group in
2003 and completed a two-year investigative tour. In 2004 Captain
Grimes attended and graduated from the West Point Leadership
Course. In 2005, Captain Grimes returned to OVB as an Assistant
Watch Commander for the West Valley Patrol Division. In 2007, he
promoted to the rank of Lieutenant and went back to West Los
Angeles Area as a Watch Commander. In the summer of 2008, Captain
Grimes was selected to assist in the creation of the Department's
20th geographic division, Olympic Station. When Olympic opened in
2009, Captain Grimes was the first Gang Impact Team
Officer-In-Charge for the newly created division. In September of
2011, Captain Grimes became the Adjutant for Operations-West Bureau
(OWB) and assisted with the management and leadership of the Bureau
Sexual Assault Detail, the Surveillance Unit and the OWB Violent
Crime Task Force. Captain Grimes also assisted with the creation of
OWB Homicide. He promoted to the rank of Captain in June of 2013
and became the Commanding Officer of the West Valley Patrol
Division. In October of 2014, Captain Grimes was upgraded to
Captain III and was selected to be the Commanding Officer of the
Internal Affairs Administrative Investigations Division.

Captain Grimes has been married for 32 years and has three
daughters and two grandchildren.