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200 East Gaines Street
Tallahassee, FL 32399-0324
(850) 413-3115

Bureau Chief Chris Welch

Chris Welch holds a bachelor’s degree in Criminal Justice from Troy University. During his 23-year law enforcement career, he has garnered extensive knowledge in the areas of criminal investigations, policy development, evidence room management, high liability training, and state law enforcement accreditation standards. Chief Welch currently volunteers on the board of directors for a local Crime Stoppers organization, is a former board member of the Florida Police Accreditation Coalition, and has prior service as an assessor with the Florida Commission for Law Enforcement Accreditation.

Chief Welch can be contacted at:
200 East Gaines Street
Tallahassee, FL 32399-0324

Captain Ruthell Harris

Ruthell J. Harris holds a bachelor’s degree in Criminal Justice from Florida State University. In 1985, the Department of Corrections hired Capt. Harris as a correctional probation officer, and she worked supervising both felony and sexual offenders.

After 15 years with probation, Capt. Harris entered the police academy and, in 2000, received her State of Florida police certification. In that same year, she continued her law enforcement career by becoming an investigator with the Division of Insurance Fraud. In July 2008, Capt. Harris was promoted to the position of Lieutenant of the Orlando Field Office workers’ compensation squad where she continues to develop her anti-fraud and management skills while supervising a squad of detectives.  She was promoted to Captain of the Bureau of Workers' Compensation Fraud in May 2021.

Capt. Harris is a 2009 graduate of the Southern Police Institute (University of Louisville) Command Officers Development Course (SPI-Class 51).

Capt. Harris can be contacted at:
Orlando Field Office
400 West Robinson Street
Suite S-823
Orlando, FL 32801

Lieutenant Doreen Rivera

Lt. Rivera began her diverse career with the Florida Division of Insurance Fraud in May 2002, when she was hired as a detective assigned to the Tampa Field Office. During her first three years as a detective, Lt. Rivera worked primarily on personal injury protection (PIP) fraud cases. Lt. Rivera was one of four detectives who worked on a protracted PIP investigation that led to the arrests of 14 individuals and resulted in the first set of patient brokering convictions in Hillsborough County, in 2005. Prior to being promoted in 2008, Lt. Rivera worked a variety of general fraud cases, and she specialized in the investigation of licensee fraud. In June 2008, Lt. Rivera won a Davis Productivity Award for her work on a case that she worked jointly with the Division of Agent and Agency Services and the Statewide Prosecutor’s Office. The investigation resulted in the arrest and conviction of an insurance agent who misappropriated homeowner’s insurance premiums from over 40 victims, in multiple counties, during an active hurricane season. Lt. Rivera currently serves as a lieutenant for the Bureau of Worker’s Compensation Fraud, Tampa Field Office, where she oversees a squad of five detectives who work closely with the Division of Worker’s Compensation Compliance and members of the insurance industry to combat worker’s compensation insurance fraud.

Lt. Rivera has an associate’s degree from Nassau Community College in New York, and bachelor’s and master’s degrees from the University of South Florida, Tampa. In December 2010, Lt. Rivera obtained a Ph.D. from the University of South Florida in adult education and research and measurement.

Lt. Rivera can be contacted at:
Tampa Field Office
8600 Hidden River Parkway
Suite 100
Tampa, FL 33637

Lieutenant Stacey Spirn

Lt. Spirn began her career in law enforcement in 1990 after receiving her Bachelor’s Degree in Criminal Justice from Pepperdine University and Florida Atlantic University (FAU). She was then hired by the Jupiter Police Department and was immediately enrolled in the police academy. Lt. Spirn worked as a Road Patrol Officer for the Jupiter Police Department for several years when she was recruited by the Lake Clarke Shores Police Department. While working for Lake Clarke Shores PD, Lt. Spirn received her certification as a Crime Prevention Practitioner and was eventually promoted to the position of Investigator, Office of the Chief. As Head of Investigations, Lt. Spirn was responsible for all criminal and internal investigations and participated in county taskforces. In 2004 Lt. Spirn was hired as a detective by the Department of Financial Services (DFS) and was assigned to a General Fraud Squad in Plantation. Since then she has also been assigned to PIP Fraud, Mortgage Fraud, and Workers' Compensation Fraud Squads. She has received the Davis Productivity Award and two Outstanding Law Enforcement Officer (OLEO) Awards from the IRS and DEA. Lt. Spirn was selected to participate on a DEA Taskforce after attending their training academy in 2008. In September 2012, Stacey was promoted to Lieutenant in the Broward Field Office for the Regular Fraud Squad. In August 2015, Lt. Spirn transferred to the West Palm Beach Office to lead the Workers' Compensation Fraud Squad. West Palm Beach Field Office.

Lt. Spirn can be contacted at:
400 North Congress Avenue
Suite 250
West Palm Beach, FL 33401

Lieutenant Gina Narcisse

Lieutenant Gina Narcisse has over 10 years of law enforcement experience. Prior to joining DIF, Narcisse served four years as a state trooper with the Florida Highway Patrol where she worked in the patrol and criminal investigation sections. Narcisse joined the Division in 2008, as a detective at the Miami Field Office. Since then, she has actively assisted Miami DIF team members with investigations, utilizing surveillance and covert electronic video and audio recording devices leading to the take-down of several significant cases resulting in numerous arrests. Narcisse has earned a Bachelor of Arts in Criminal Justice from Johnson & Wales University.

Lt. Narcisse can be contacted at:
Miami Field Office
401 North West 2nd Avenue
Suite N-321
Miami, FL 33128

Lieutenant Patrick Ducheine

Lieutenant Ducheine began his law enforcement career in 1989 with the Polk County Sheriff's Office as a corrections officer. The following year he was hired by the Orlando Police Department where, throughout his tenure, he worked a variety of uniformed patrol and traffic enforcement assignments before retiring in 2012.

In 2012, Lieutenant Ducheine joined the Division of Investigative and Forensic Services, Bureau of Insurance Fraud. He was assigned to the Orlando field office specializing in Personal Injury Protection (PIP) Fraud Investigations before transferring to the Bureau of Workers’ Compensation Fraud in 2014. While with the Division, Lieutenant Ducheine has served as a Lead Detective and has been instrumental in the successful prosecution of many major cases.  He was promoted to the rank of Lieutenant in July, 2021.

Lieutenant Ducheine holds a degree in Political Science from Columbia College.

Lt. Ducheine can be contacted at:
Orlando Field Office
400 West Robinson Street
Suite S-823
Orlando, FL 32801