Yesenia Castillo
Imperial
Summary
Results-oriented law enforcement and investigation specialist with several years of experience in coordinating investigations, researching and reviewing case files and conducting interviews. Resourceful leader focused on keeping alert and open perspective during investigations while utilizing expert problem-solving in unlocking complex cases. Successful investigator bringing strong background in casework to position within robust and professional organization.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Investigator Service Unit Correctional Officer
Centinela State Prison, CEN
Imperial
03.2024 - Current
- Presented case summaries at team meetings for review purposes.
- Liaised with law enforcement agencies to investigate and solve crimes.
- Developed training programs on investigative techniques and fraud prevention for internal teams and clients.
- Collaborated with law enforcement and regulatory agencies to support criminal investigations and legal proceedings.
- Managed surveillance of individuals, specific properties and events.
- Drafted legal documents such as search warrants, subpoenas, arrest warrants, and indictments.
- Reviewed police reports, medical records, and other documents for evidence.
- Utilized advanced surveillance techniques and equipment to gather evidence and monitor subjects discreetly.
- Attended training sessions to stay current on new investigative trends and technologies.
- Maintained organized records of all information and material pertinent to open investigations.
- Employed logic and analytical skills to solve complex problems and identify patterns indicative of criminal activity.
- Executed and obtained search warrants and subpoenas to obtain evidence for resolution of criminal matters.
- Performed background checks on persons of interest in investigations.
- Gathered evidence from crime scenes including photographs, fingerprints, and physical samples.
- Utilized various databases and public records to research and compile information relevant to investigations.
- Maintained strict confidentiality and discretion in handling sensitive information and investigations.
- Maintained contacts with informants who provided valuable leads in cases.
- Bagged evidence carefully and verified submission to proper department.
- Maintained confidentiality of sensitive information at all times.
- Conducted interviews with witnesses and suspects to obtain information related to case.
- Prepared detailed investigative reports and presentations, summarizing findings and recommending actionable steps.
- Managed caseloads efficiently, prioritizing tasks and meeting strict deadlines in high-pressure environments.
- Completed comprehensive face-to-face interviews with subjects, neighbors and employers to generate reports to document investigative findings.
Correctional Officer
Centinela State Prison, CEN
Imperial
11.2019 - Current
- Took prisoners into custody and escorted to locations within and outside facility.
- Distributed commissary items and dispensed prescribed medication to prisoners.
- Performed security checks on visitors entering the facility as well as on packages being delivered to inmates.
- Developed individualized treatment plans for each inmate based on assessments of their mental health needs.
- Maintained order in the prison by monitoring inmate behavior and intervening when necessary.
- Supervised residents during meal distribution and intake, recreation time and work-site performance.
- Participated in the development and implementation of escape prevention plans and emergency evacuation procedures.
- Participated in training sessions to stay current on best practices in corrections and emergency response.
- Conducted regular cell inspections looking for evidence of drug use or other prohibited items that could pose a threat to security.
- Transported inmates to and from medical and dental appointments, funerals, work details and court hearings.
- Assisted in training new Correctional Officers in proper safety protocols and techniques for dealing with difficult situations.
- Applied non-violent response tools and physical restraint during problematic situations.
- Supervised inmate activities, including meals, recreation times, and work assignments.
- Administered first aid when required due to injury or illness sustained by an inmate while under supervision.
- Inspected cells and other areas for contraband and safety hazards.
- Searched prisoners and vehicles and conducted shakedowns of cells for valuables and contraband.
- Supervised inmates during day-to-day activities.
- Conducted searches of inmates and visitors to prevent the smuggling of contraband.
- Responded to emergency situations such as riots or disturbances with appropriate force measures.
- Maintained detailed logs of inmate behavior, incidents, and daily activities.
- Conducted investigations of crimes committed within prison.
- Investigated incidents involving prisoners or staff to determine who was responsible for any violations of policies or procedures.
- Performed head counts, checking cells for missing inmates.
Correctional Counselor
Centinela State Prison, CEN
Imperial
07.2023 - 12.2023
- Assisted with case completion by conducting office, home and employment visits to ensure adherence to legal requirements.
- Offered transitional services for program offenders and referral to appropriate community agencies and organizations.
- Observed and recommended special community services opportunities to support offenders.
- Ensured that all necessary paperwork was completed accurately when an inmate is transferred between facilities or released from prison.
- Recommended probation conditions to court, including drug treatment, vocational rehabilitation and mental health programs.
- Conducted intake interviews with inmates to assess their mental health needs and determine appropriate treatment plans.
- Created reports detailing inmate progress and submitted them regularly to supervisors and other administrators within the correctional system.
- Participated in team meetings with other professionals involved in the rehabilitation process of an inmate.
Education
Bachelor of Arts - Public Administration
Ashford University
San Diego, CA05-2019
Skills
- Surveillance techniques
- Legal documentation
- Case management
- Evidence collection
- Interview techniques
- Criminal investigations
- Report writing
- Regulatory compliance
- Information gathering
- Problem solving
- Time management
- Training development
- Search and arrest warrants
- Video surveillance systems
- Security measures
- Homicide investigations
- Crime lab procedures
- Subpoena management
- Professional ethics
- Excellent communication
- Arrest and search warrants
- Decision-making
- Self motivation
- Case documentation
- Researching skills
- Suspect interviewing
- Firearms
- Collaborative teamwork
- Multitasking ability
Languages
Spanish
Professional
Certification
- Trainers for Training T4T 2024
- Basic Investigators Course (BIC) 10/14/25-10/27/25
- Gang Awareness and Narcotic Investigations 01/08/25
- Operational Red Flags 02/26/25
- Money Laundering and Financial Crime Investigations 03/10/25
- TruNarc Basic Operator Course 03/27/2025
- Street Crimes, Narcotic Enforcement, and the Law 03/27/25
- Interview and Interrogation 04/09/25
- Confidential Informant Development and Management 04/15/25
- Norteno Gangs History, Identification, and Criminal Activity 04/16/25
- Virtual TLO Quarterly 04/10/25
References
References available upon request.
Timeline
Investigator Service Unit Correctional Officer
Centinela State Prison, CEN
03.2024 - Current
Correctional Counselor
Centinela State Prison, CEN
07.2023 - 12.2023
Correctional Officer
Centinela State Prison, CEN
11.2019 - Current
Bachelor of Arts - Public Administration
Ashford University
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