Investigations | Operations Division | Tehama County Sheriff's Office


Detective Sgt. Richard Knox | Investigations | Tehama County Sheriff's Office

Lieutenant Jeff Garrett

Lieutenant Garrett has worked for the Tehama County Sheriff’s Office since 1998. Prior to working for Tehama County, he worked for the Shasta County Sheriff’s Office as a Boating Safety Officer.

Past assignments have included; Jail, Patrol, Civil, Boating, DARE Instructor, Marijuana Eradication Team, Narcotics Agent for the Tehama Interagency Drug Enforcement (TIDE) Task Force, and Investigations Divisions. He has been a Jail Training Officer, Field Training Officer, and Patrol Sergeant.

Lieutenant Garrett is currently a Team Leader for the Inter – Agency SWAT team of which he has been a member of since 2002. He is also a member of the Sheriff’s rescue dive team and is one of four Department Range Instructors.

Lieutenant Garrett is an active member of the California Narcotic Officers Association (CNOA) and the California Association of Tactical Officers (CATO).

Lieutenant Garrett loves to hunt and spend time with his family.


Detective Chad Dada | Investigations | Tehama County Sheriff's Office

Detective Chad Dada

Charles “Chad” Dada is a US Army veteran. A native of Humboldt County, he was awarded lifetime membership in the California Scholarship Federation (CSF) while at Ferndale High.  He attended West Point and UC Davis before graduating the College of the Redwoods Police Academy. In 1991, Chad Dada was hired as Tehama County Sheriff’s Deputy. His past TCSO assignments include Jail Deputy, Patrol Deputy, Court Bailiff-Civil Deputy, Patrol OIC, K-9 Agitator, Resident Deputy for Paskenta & Rancho Tehama, Accident Review Board, Honor Guard, and Field Training Officer.  Between 2002-2006, Chad Dada was attached to NSI Cal-MMET as drug enforcement agent. Deputy Dada was awarded a Peace Officer Standards and Training (POST) Advanced Certificate on 12/22/2000.

In 2008, TCSO Investigations recognized him for “Case of the Year” for his efforts in cracking a burglary ring involving about 45 homes in Tehama, Shasta, and Plumas Counties. On 12/2/2008, Deputy Dada was ambushed by an armed suspect that wounded a CHP officer.  Chad Dada’s return fire helped to neutralize the suspect.  For his actions, Chad Dada went on to receive the Tehama County Medal of Valor, the CHP’s Commissioner’s Award, and the DSA’s Officer of the Year award in 2009.

On 7/1/2010 TCSO promoted Chad from Deputy to the rank of Detective-Investigator.  Detective Dada joined the Tehama County Child Abuse Prevention Council, the California Sexual Assault Investigator’s Association (CSAIA), and the International Association of Financial Crimes Investigators (IAFCI). He propagated use of Child Forensic Interviews in Tehama County.  He helped create the Tehama County Child Interview Center (TCCIC) and inspired the creation of Empower Tehama’s Child Advocacy Center (CAC).   Detective Dada attained over 1500 hours of specialized training by entities such as DEA, BATFE, DOJ, BFS, CNOA, CDAA, CATTA, NCMEC, CPOA, and CSAIA. On 6/2/2019 Detective Dada completed the POST Academy Instructor Certification Course.  Detective Dada achieved certification as a Specialist in Sexual Assault Investigation from the Robert Presley Institute of Criminal Investigation on 6/18/2019.

In his time away from work, Detective Dada enjoys SCUBA diving, motorcycling, and backpacking. Chad Dada and his wife are proud parents of two college-age children.


Detective Jeff Garrett | Investigations | Tehama County Sheriff's Office

Detective Eric Patterson

Detective Eric Patterson is a lifelong resident of Tehama County. Detective Patterson’s family has been in the county since the late 1800’s. Detective Patterson is a Red Bluff Union High School Graduate and has attended Butte College, receiving a Degree in the Administration of Justice. Detective Patterson graduated from the Butte College 78th Basic Police Academy.

Detective Patterson’s first interest in Law Enforcement began as a teenager when he joined the Tehama County Sherriff’s Office Explorer Post. Detective Patterson was hired as a Deputy Sheriff in 1993.

Detective Patterson has worked in both the Custody Division as well as the Patrol Division.

In the Custody Division, Detective Patterson worked as a Jail Training Officer. Detective Patterson then spent many years as a Patrolman as well as a Field Training Officer.

Detective Patterson has worked in the Sheriff’s Office Boating Unit operating the Sheriff’s boats on the Sacramento River as well as Black Butte Lake.

Detective Patterson has worked as the Sheriff’s Office Background investigator conducting pre-employment background investigations.

Detective Patterson is a certified Computer Voice Stress Analyzer examiner. Detective Patterson has attended Advanced Examiners Training in the use of the CVSA.

Detective Patterson is a member of the Sheriff’s Office Crisis Negation Team.

Detective Patterson is currently assigned to the Investigations Division as Detective/ Investigator, primarily investigating crimes affecting children as well as other special victims.

In Detective Patterson’s off-time, he enjoys spending time with his family and is involved in youth shooting sports with the Nor Cal Junior Clay Busters.


Detective Eric Patterson | Investigations | Tehama County Sheriff's Office

Detective Robert Bakken

Detective Bakken has worked for the Tehama County Sheriff’s Office since January 2001. During his employment with the Tehama County Sheriff’s Office Detective Bakken has held the ranks of Correctional Officer, Correctional Sergeant, Deputy Sheriff, and Detective.

Detective Bakken began his employment in January 2001 as a Correctional Officer assigned to the Tehama County Jail responsible for the supervision and transportation of inmates. As a Correctional Officer, Detective Bakken was assigned as the jail Classification Officer, Inmate Programs Coordinator, Jail Training Officer, Jail Training Coordinator and Report Writing Instructor.

Detective Bakken attended the basic P.O.S.T. academy at Butte Community College in 2005. Upon graduation from the academy Detective Bakken was promoted to the rank of Deputy Sheriff and was assigned to the patrol division. Detective Bakken was assigned as a Field Training Officer and participated in the training of deputies in the patrol division and has been assigned as a shift supervisor for patrol shifts.

Detective Bakken is currently assigned as a Hostage/Crisis Negotiator and as the department Public Information Officer.

When he is not at work Detective Bakken enjoys spending time with his wife and two children.


Detective Robert Bakken | Investigations | Tehama County Sheriff's Office