Jennelle Casillas
Lexington,SC
Summary
Criminal justice and law enforcement professional with 19 years of experience providing operational, investigative, and administrative support within corrections and municipal police agencies. Expertise includes criminal intelligence analysis, digital evidence examination, NCIC systems, forensic data interpretation, records management, and compliance oversight. Proven ability to maintain data integrity, analyze complex investigative information, and produce clear, actionable documentation that supports enforcement operations, prosecutorial efforts, and judicial proceedings in fast-paced, high-security environments.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Criminalist II
Office of Inspector General South Carolina Department of Corrections
Columbia, South Carolina
01.2025 - 03.2026
- Conduct multi-source criminal intelligence and technical analysis to identify and assess illicit activities involving inmates and staff.
- Process and respond to intelligence requests from federal, state, and local agencies, ensuring timely collection, validation, and dissemination of information.
- Analyze databases, phone records, financial records, digital files, and open-source platforms to support criminal and administrative investigations.
- Monitor and evaluate social media activity and security threat group intelligence to identify emerging risks and investigative leads.
- Synthesize complex data into clear intelligence products, including reports, charts, graphs, timelines, and executive summaries.
- Provide research, analytical, and technical support to investigative teams and task forces; conduct site visits to correctional institutions as needed.
- Review and document intelligence from internal and external sources to maintain accuracy, compliance, and evidentiary integrity.
- Examine digital devices and technical platforms; remain on-call as assigned to support active investigations.
- Interpret laboratory and forensic findings, integrating digital intelligence with physical evidence to strengthen case development.
- Prepare investigative documentation and scientific reports for prosecutorial review and court proceedings; provide sworn testimony when required.
- Apply knowledge of investigative procedures, forensic methodologies, and South Carolina criminal codes to support lawful and defensible case outcomes.
- Maintain ACJIS Network Terminal Operator Certification (Level A); successfully completed extensive background investigation.
Body Worn Camera Unit – Administrative Aide
Phoenix Police Department
Phoenix, Arizona
12.2023 - 12.2024
- Manage and maintain the Axon body-worn camera (BWC) evidence database, ensuring secure storage, retention, and retrieval of digital video files.
- Process and fulfill video evidence requests from city and county prosecutors, criminal justice agencies, internal personnel, and public records in accordance with legal and policy requirements.
- Perform detailed video redactions to comply with public records laws, privacy standards, and evidentiary regulations.
- Maintain comprehensive tracking logs and compile monthly and quarterly reports to monitor volume, response times, and compliance metrics.
- Audit digital evidence records to ensure completeness, accuracy, and adherence to departmental operating standards.
- Provide technical troubleshooting and support for Axon body-worn camera hardware and evidence management software.
- Deliver training to sworn and civilian personnel on proper camera usage, digital evidence handling, and system functionality.
- Respond to inquiries and resolve issues related to department policies, video evidence procedures, and records requests.
- Ensure integrity, confidentiality, and chain-of-custody standards in all digital evidence management processes.
Police Automated System Secretary
Phoenix Police Department
Phoenix, Arizona
10.2023 - 12.2023
- Collect and maintain the integrity of data provided by officers and tow drivers to enter private or police-requested impounds, stolen and recovered vehicles, missing and found persons, rerouting information, and teletypes.
- Input information into the Arizona Crime Information Center and National Crime Information Center System (ACIC/NCIC) and conduct computer inquiries across additional law enforcement systems, including Motor Vehicle Department (MVD), Law Enforcement Judicial Information System (LEJIS), Offender Base Information Tracking System (OBITS), Arizona Computerized Criminal History (ACCH), and the Interstate Identification Index (III) System; connect and verify criminal record information within criminal databases to ensure accuracy and compliance.
- Retrieve online stored materials and distribute official documentation to police precincts, the City Prosecutor’s Office, Maricopa County Attorney’s Office, and the Maricopa County Jail in a timely manner.
- Provide professional customer service while maintaining integrity, efficiency, and compliance with departmental standards and fiscally responsible practices.
- Maintain ACJIS Network Terminal Operator Certification Level A.
Police Automated System Secretary Supervisory Lead
Phoenix Police Department
Phoenix, Arizona
05.2023 - 10.2023
- Supervise and provide operational support to Data Integrity Technicians and Records Management System (RMS) users across the department.
- Ensure the integrity, accuracy, and compliance of data maintained within the RMS Master Indices.
- Develop weekly schedules, assign workload based on operational volume, and provide guidance on RMS-related issues and system functionality.
- Review and audit technician work to ensure quality control, data accuracy, and adherence to departmental standards.
- Conduct monthly performance audits and track team and individual productivity metrics; report findings to supervisory staff.
- Prepare and review employee performance documentation, including monthly notes and Direct Report PMGs, in accordance with established deadlines.
- Maintain current knowledge of bureau policies, city Administrative Regulations (ARs), Personnel policies, MOUs, and MOAs affecting Unit 3 and Unit 7 employees.
- Provide recommendations to Supervisors and the Operations Manager regarding workflow improvements and process efficiencies.
- Oversee Data Integrity Detail operations, including monitoring CARS folder activity, incoming phone lines, and Teletype functions.
- Monitor and update TOC records using the NextTest system.
- Assist with entry and processing of Emergency Orders of Protection, Temporary Felony Warrants, BOLOs, and assignment of spare and replacement body-worn cameras.
- Enter, clear, and locate records for missing persons, stolen vehicles, stolen license plates, impounds, and firearms; coordinate with outside jurisdictions and manage teletypes as required.
Police Automated System Secretary
Phoenix Police Department
Phoenix, Arizona
10.2020 - 05.2023
- Collect and maintain the integrity of data provided by officers and tow drivers to enter private or police-requested impounds, stolen and recovered vehicles, missing and found persons, rerouting information, and teletypes.
- Input information into the Arizona Crime Information Center and National Crime Information Center System (ACIC/NCIC) and conduct computer inquiries across additional law enforcement systems, including Motor Vehicle Department (MVD), Law Enforcement Judicial Information System (LEJIS), Offender Base Information Tracking System (OBITS), Arizona Computerized Criminal History (ACCH), and the Interstate Identification Index (III) System; connect and verify criminal record information within criminal databases to ensure accuracy and compliance.
- Retrieve online stored materials and distribute official documentation to police precincts, the City Prosecutor’s Office, Maricopa County Attorney’s Office, and the Maricopa County Jail in a timely manner.
- Provide professional customer service while maintaining integrity, efficiency, and compliance with departmental standards and fiscally responsible practices.
- Maintain ACJIS Network Terminal Operator Certification Level A.
Medical Administrative Assistant
Mayo Clinic
Phoenix, Arizona
06.2019 - 10.2020
- Serve as a liaison between patients, internal departments, referring physicians, and allied health staff to ensure effective communication and continuity of care.
- Manage a high volume of incoming telephone calls, responding to inquiries professionally and efficiently while maintaining confidentiality.
- Facilitate patient access by coordinating appointments, processing referrals, and addressing patient concerns in accordance with departmental procedures.
- Maintain physician calendars and schedules to ensure accurate appointment coordination and workflow efficiency.
- Route patient concerns and physician communications to appropriate personnel to support timely resolution.
- Handle and distribute physician correspondence and sensitive documentation in compliance with privacy standards.
Desk Operations Specialist
Mayo Clinic
Phoenix, Arizona
07.2018 - 06.2019
- Provide front-line operational support for patient visits, ensuring efficient workflow and a high standard of professional service.
- Coordinate complex appointment schedules to support providers and maintain continuity of care.
- Prepare patients for appointments by obtaining vital signs and completing pre-examination documentation.
- Verify patient demographics and medical insurance information to ensure accuracy and compliance.
- Schedule and reschedule diagnostic tests and follow-up visits at the request of providers and nursing staff.
- Communicate scheduling updates, delays, and procedural information clearly to patients and internal staff.
- Process forms, insurance documentation, and appointment-related communications in accordance with established policies.
- Prepare appointment materials for Radiation Oncology patients and escort patients to Proton and Photon treatment areas as required.
- Utilize multiple electronic systems and medical platforms, including EPIC, ROMS, ARIA, iPad/tablets, text reminder systems, and patient kiosks.
- Successfully completed a comprehensive background investigation conducted by Mayo Clinic Human Resources.
Office Assistant II
County of Riverside Behavioral Health Detention Services Cois Byrd Detention Center
Murrieta, California
02.2009 - 07.2018
- Process court orders and screen inmates for mental health services, coordinating evaluations and treatment scheduling.
- Manage daily schedules for the psychiatrist, clinical therapists, custody staff, and inmates to ensure efficient program operations.
- Oversee program administrative functions, including budget tracking, documentation management, inmate grievances, court orders, and official correspondence.
- Serve as a professional point of contact for incoming communications, directing inquiries appropriately and representing the program with discretion.
- Review reports, forms, and records to ensure accuracy, completeness, and compliance with departmental and legal standards.
Office Assistant II
County of Riverside Substance Abuse Administration
Riverside, California
08.2008 - 02.2009
- Provide technical guidance and training to office staff to ensure compliance with departmental procedures and workflow efficiency.
- Prepare complex statistical and budgetary reports, maintaining accuracy and attention to detail.
- Draft and manage highly confidential reports and official correspondence for the Sheriff’s Department and the Hall of Justice.
- Support law enforcement personnel with special projects and operational initiatives, including the AB 109 Realignment Program, mental health service requests, and inmate grievance processing.
- Develop and modify forms and documentation processes to improve administrative efficiency and record management.
- Maintain and manage confidential records, reference logs, and case-related documentation in accordance with established policies.
- Successfully completed a comprehensive background investigation conducted by The Riverside County Sheriff’s Department.
Office Assistant II
County of Riverside Behavioral Health Substance Abuse Administration
Riverside, California
08.2008 - 02.2009
- Type a variety of information such as statistical and budgetary tabulations, reports, contracts, pamphlets, letters, and charts.
- Assist the public by referring them to sources of information, answer requests for information by consulting various available sources.
- Maintained informational records, answered telephone, and assisted callers by providing information, taking messages, and routing calls to appropriate personnel.
- Independently set up formats for reports, files, letters, and dual and multi-column documents.
- Post data, type, encode, and transmit alphanumeric and numeric data from source documents; key in commands to locate files; enter, store, retrieve, and delete information to update records and/or databases.
- Serve as a receptionist and operate a telephone switchboard.
- Enter services and bill for Prop 36.
Office Assistant II
County of Riverside Behavioral Health Children’s Evaluation Services Unit
Riverside, California
10.2006 - 08.2008
- Conduct intake and registration processing for minors receiving outpatient psychiatric services.
- Obtain, verify, and enter personal, demographic, and financial information, including insurance verification and eligibility processing.
- Collect and document client background information; maintain accurate case records and track services provided on a case-by-case basis.
- Provide guidance to clients and guardians regarding program policies and procedures, ensuring understanding and compliance.
- Document case activity, including contacts made, services rendered, and follow-up actions.
- Assist law enforcement and emergency personnel with clients placed on a 5150 hold, coordinating intake procedures and required documentation.
Education
Associate of Arts - Criminal Justice
Riverside Community College
01.2027
High School Diploma -
Santiago High School
01.2004
Skills
Law Enforcement & Criminal Justice Systems:
Arizona Crime Information Center (ACIC), National Crime Information Center (NCIC), California Law Enforcement Telecommunication System (CLETS), CAD, JIMS (Jail Information Management System), Centrally Linked Information for Public Safety (CLIPS), OMS/BlueZone, Vi-Track, GTL Command
Digital Evidence & Forensic Tools:
AXON Evidencecom, Cellebrite, Magnet GrayKey, LOTS, NextGen
Records & Case Management Systems:
EPIC, ARIA, ROMS, TechCare, SPUDS, ELMR (Electronic Medical Record)
Data Analysis & Reporting:
Statistical reporting, records auditing, data integrity review, compliance monitoring
Administrative & Operational Support:
Interdepartmental coordination, purchasing, accounts payable, document control
Technical Skills:
Microsoft Office (Word, Excel, Outlook, PowerPoint)
Typing Speed: 40 WPM
Accomplishments
- National Crime Information Center (NCIC) Full Function Certification – Level A, 2025
- Cellebrite Certified Physical Analyst (CCPA), 2025
- Cellebrite Certified Operator (CCO), 2025
- Criminal Intelligence & Analysis Certification, Regional Organized Crime Information Center (ROCIC), 2025
Certification
- The National Crime Information Center (NCIC) Full Function (Level A)
- Cellebrite Certified Physical Analyst (CCPA) 2025
- Cellebrite Certified Operator (CCO) 2025
- Criminal Intelligence & Analysis Regional Organized Crime Information Center (ROCIC) - 2025
Timeline
Criminalist II
Office of Inspector General South Carolina Department of Corrections
01.2025 - 03.2026
Body Worn Camera Unit – Administrative Aide
Phoenix Police Department
12.2023 - 12.2024
Police Automated System Secretary
Phoenix Police Department
10.2023 - 12.2023
Police Automated System Secretary Supervisory Lead
Phoenix Police Department
05.2023 - 10.2023
Police Automated System Secretary
Phoenix Police Department
10.2020 - 05.2023
Medical Administrative Assistant
Mayo Clinic
06.2019 - 10.2020
Desk Operations Specialist
Mayo Clinic
07.2018 - 06.2019
Office Assistant II
County of Riverside Behavioral Health Detention Services Cois Byrd Detention Center
02.2009 - 07.2018
Office Assistant II
County of Riverside Substance Abuse Administration
08.2008 - 02.2009
Office Assistant II
County of Riverside Behavioral Health Substance Abuse Administration
08.2008 - 02.2009
Office Assistant II
County of Riverside Behavioral Health Children’s Evaluation Services Unit
10.2006 - 08.2008
Associate of Arts - Criminal Justice
Riverside Community College
High School Diploma -
Santiago High School