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Chief Dennis M. Kneer Biography 800 170 SIB Staff

Chief Dennis M. Kneer Biography

Chief North Patrol Division Dennis M. Kneer

In 1991, Chief Kneer began his career with LASD. He worked in custody for six years before transferring to East Los Angeles Station as a patrol deputy and then to Lancaster station as a Field Training Officer. He worked as an FTO until 2004 when he promoted to the rank of Detective and remained at Lancaster station as a night detective.

Chief Kneer promoted to Sergeant in 2006 and served at North County Correctional Facility as a watch sergeant and building sergeant, and Palmdale station as a watch sergeant and field sergeant. In 2009, he became an Executive Aide at Custody Division Headquarters and served in that capacity for one year before promoting once again.

When he promoted to lieutenant, Chief Kneer transferred to Mira Loma Detention Center for one year and then returned to Palmdale station, serving as the Watch Commander and Operations Lieutenant.

Chief Kneer returned to Headquarters as an Executive Aide for North Patrol Division, where he remained until his promotion to the rank of Captain in 2016. At that time, he returned once more to Palmdale station.

In 2018, he promoted to the rank of Chief, overseeing North Patrol Division. He was responsible for five patrol stations in the northern region of the County, including Lancaster, Malibu/Lost Hills, Palmdale, Santa Clarita, and West Hollywood/Universal Citywalk. He also served briefly as the Sheriff’s Chief of Staff before returning to North Patrol Division.

Throughout his career, Chief Kneer has been involved in such community outreach programs as the Antelope Valley Cares Teen Summit and Community Advisory Committee. He has hosted multiple “Coffee with a Cop” functions and has assisted in the planning of National Night Out events in the city of Palmdale.

Chief Kneer has an associate degree from College of the Canyons, a bachelor’s degree in business administration from the University of La Verne and a master’s degree in public administration from National University. He is also a graduate of the University of Southern California’s Executive Development Leadership Program and the Police Executive Research Forum Senior Management Institute of Police.

Chief Kneer is also a Sertoma Member in Leona Valley, where he resides with his wife and two teenage sons. When he is off duty, he enjoys running, reading, and boating on the Colorado River.

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Chief Laura E. Lecrivain Biography 800 170 SIB Staff

Chief Laura E. Lecrivain Biography

Portrait of Chief Lecrivian in uniform

Chief Laura E. Lecrivain has been a member of the Los Angeles County Sheriff’s Department (Department) since 1995.  She oversees Countywide Services Division which includes the Community Partnerships, Community Colleges, Parks, and County Services Bureau.  Prior to her promotion to chief, she worked as a commander for Countywide Services Division and Custody Division. 

As a captain, Chief Lecrivain commanded the Twin Towers Correctional Facility (TTCF) where she was responsible for over 800 personnel and the care of 3,000 mentally ill inmates arrested in Los Angeles County (County).  The TTCF is the largest mental health facility in the United States and houses the County’s most severe mental health inmates.  

During her time on the Department, Chief Lecrivain had the privilege of working an array of assignments.  As a deputy, she worked Century Station patrol, detective bureau, and Operation Safe Streets (OSS).  Later, as a sergeant, Chief Lecrivain worked at the Men’s Central Jail, Compton Station, OSS, and Administrative Services Division.  Upon her promotion to lieutenant, Chief Lecrivain worked as a watch commander at Palmdale Station, and later at Compton Station.   

Chief Lecrivain is lifetime resident of Los Angeles County.  She holds a Bachelor of Science in Criminal Justice Management, and a Masters’ Degree in Leadership from the University of Southern California.  In her spare time, Chief Lecrivain enjoys spending time with her family and Dodger baseball.  She also loves reading and enjoys running. 

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Chief Jack Ewell Bio 800 170 SIB Staff

Chief Jack Ewell Bio

Portrait of Chief Ewell in uniform

On the Department since 1980, Chief Jack Ewell began his career with the Sheriff’s Department as a deputy at Men’s Central Jail in downtown Los Angeles. After a year in custody, Ewell transferred to the now-closed Firestone station to work as both a patrol deputy and a detective.

In 1985, Ewell began his legacy at Special Enforcement Bureau (SEB) when he transferred to their Special Weapons Team, where he would serve until his promotion to sergeant in 1988.

As a sergeant, Ewell served at Lynwood and East Los Angeles stations as a field sergeant and detective bureau sergeant. When he returned to SEB, he worked in various capacities, including Special Weapons Team leader, dive sergeant, and Crew Chief for rescue helicopter, Air 5.

When he promoted to lieutenant in 2009, Ewell served as the operations lieutenant at Aero Bureau and was in charge of overseeing Air 5 operations. Upon his return to SEB in 2010, his various duties included operations lieutenant, Emergency Services Detail lieutenant, and Special Enforcement Detail lieutenant.

When he promoted to the rank of Captain in 2014, Ewell maintained the helm of SEB until his next promotion in 2018. As Commander of Special Operations Division (SOD), Ewell assisted in overseeing not only SEB, but also Emergency Operations, Aero, Metrolink and Transit Services bureaus.

With his promotion to Chief in 2021, Ewell is now in charge of SOD and has the unique distinction of playing a vital role in the security of the upcoming 2022 Super Bowl and 2028 Olympic Games, both to be held in and around Los Angeles County. Special Operations Division operates county-wide and Ewell oversees many elite units that have become the gold-standard nationwide for law enforcement, emergency response and specialized tactics.

A graduate of Pepperdine University with a bachelor’s degree in Business Administration, Ewell also has several advanced training certificates from the Commission on Peace Officers Standards & Training (POST).

Throughout his career, Ewell has earned many accolades for his service, including the Department’s Medal of Valor and Gold Valor medal, as well as the Distinguished Service Medal from the Los Angeles Police Commission for his actions in assisting LAPD during the North Hollywood bank robbery. A veteran of the United States Marine Corps, Ewell also received multiple Combat Action ribbons and the Bronze Star for his service and actions while in the military.

Chief Haselrig at CSUDH 800 600 SIB Staff

Chief Haselrig at CSUDH

CHIEF HASELRIG AT CSUDH

Chief Lajuana Haselrig spoke to Criminal Justice classes at CSUDH yesterday and today. Sgt Vince Plair is an adjunct Professor at the school. Outstanding talk about leadership adversity and being a servant to others.