L.E.T.A Associate Bios

Law Enforcement Training Associates, Inc.

Mike DeMarcus

Mike is the training coordinator for Law Enforcement Training Associates, Inc, and is a retired Detective with the North Miami Beach Police Department.  Mike has 21 years of law enforcement experience and worked in the Special Investigations Division for over 14 years.  During his tenure in the Narcotics Division, Mike completed assignments with a Drug Enforcement Administration narcotics task force and a State of Florida narcotics and money laundering task force.  He worked as a Marine Enforcement Officer for three years and was cross designated as a U.S Customs Blue Lightening Officer. Mike has extensive experience in investigating major cocaine trafficking cases, indoor marijuana grow house investigations, money laundering investigations, long-term gang related crack cocaine investigations and ecstasy/club drug investigations. Mike participated in one of the largest ecstasy reverses in the history of Florida and has developed a comprehensive ecstasy and club drug-training program. Mike has also developed long-term crack cocaine and indoor marijuana grow house courses, which are based on case studies that targeted organizations involved in the illicit narcotics trade.  Mike participated in two reverse sting cocaine investigations which resulted in the seizure of $1.2 million dollars and $1.9 million dollars.  Mike has taught narcotics related courses to thousands of law enforcement investigators from all over the world including organizatiioins such as the Florida Narcotics Officers Association, New Jersey Narcotics Officers Association, Norwegian Narcotics Officers Association. International Undercover Officers Association and the Regional Organized Crime Information Center conference.  

Pat Fielding

Pat is a retired Detective from the Las Vegas Metropolitan Police Department and has over 27 years of law enforcement experience.  Pat was assigned to several narcotics, gang, and criminal intelligence units, including a HIDTA group, FBI Task Force, and a Club Drug Task Force and is currently assigned to a Money Laundering group.  Pat has worked undercover for 24 years investigating money laundering, arms and explosives dealers, auto-theft rings and conducting storefront operations.  Pat infiltrated the Red Demons (A Hells Angels Farm Club) and rose to the rank of Treasurer during a six-month undercover investigation.  Pat has a wealth of knowledge in undercover investigations.            

Nelson Reyes

Nelso is a retired Sergeant with the North Miami Beach Police Department and has over 22 years of law enforcement experience. He is currently assigned to Uniformed Patrol with the Aventura, FL Police Department.  During his career, Nelson has been a supervisor in the Crime Supression Unit, Special Response Team and Patrol.  He spent 17 years on the NMBPD SRT unit and was a team leader for most of that time period. He is ceritified as a Litigation Specialist in Police Litigation and is also certified as a Force Science Analyst.  Nelson has attended hundreds of law enforcement training programs with many of the training being in Tactical Operations.  He is cross certified as a Customs Blue Lightening Officer and additionally worked in the NMBPD Marine Patrol Unit.  He has received numerous commendations as a result of his law enforcment efforts including the NMBPD Police Officer of the Year.  Nelson currently teaches Tactical Courses and Litigation courses throughout the United States. 

Jeff Seever

Jeff is a Detective with the Independence, Missouri Police Department and has over 16 years of law enforcement experience.  Jeff spent 9 years on a multi-agency Drug Task Force and completed an assignment with the DEA Clandestine Laboratory Enforcement Team where he processed and dismantled over 150 methamphetamine laboratories.  Jeff was the case agent in the largest methamphetamine conspiracy investigation conducted in the states of Missouri and Kansas, which involved 1,500 pounds of methamphetamine, 500 kilograms of cocaine and led to the indictment of 30 co-conspirators.  Jeff is a nationally known speaker in the area of methamphetamine and has given presentations for the Department of Justice, HIDTA and the United States Attorneys Office.  Jeff is considered an expert witness in the area of methamphetamine and currently instructs all Federal Grand Juries in that area before they begin their term.  In 2002 Jeff received an award from the Organized Crime Drug Enforcement Task Force (OCDETF) for Outstanding Investigation and also received a leadership award from the United States Attorneys Office for Leadership in Drug Reduction.

Hector Alfonso

Hector is a criminal analyst with the Miami Dade Police Department.  Hector is currently assigned to the Multi Agency Gang Task Force and he specializes in the area of violent gang enforcement.  Hector's course details the latest trends that gang members are using to commit robberies, home invasions, auto theft and narcotics violations.  Hector teaches gang enforcement courses through out the U.S.

Bob Volguardson

Detective with the Boca Raton, Florida Police Department.  Bob has over 16 years of law enforcement expperience and has served almost his entire career in the Vice, Narcotics and Intelligence Unit.  Bob has worked numerous long term narcotics investigations with BRPD and the DEA.  He specializes in Vice related investigations on massage parlors and escort services that are associated with prostitution and organized crimes.  He has written more "sneak and Peek" search warrants than any other officer in the state of Florida. He is a member of the BRPD Special Response Team and currently teaches narcotics and vice related courses throughout the country.

Paul Bruno

Detective with the Jupiter, Florida Police Department.  Paul is currently assigned to a DEA Task Force and has completed an assignment with the Palm Beach County Sheriff's Office organized crime and narcotics unit.  Paul served as the gang coordinator for the Jupiter P.D and has been a member of the Critical Response Team since 2002. Paul was a case agent that was assigned to the DEA "Operation Magnum Force" which was deemed one of the largest crack cocaine distribution rings in Palm Beach County history and earned a statewide citation for his work on the case.  Paul currently serves as the Region VI Co-Chairman for the Florida Narcotics Officers Association and is a yearly guest speaker for the University of Central Florida's Criminal Justice Department. 


Jarrett Wolf

Jarrett is a former Florida Assistant State Attorney in Miami. Jarrett co-founded the State Attorneys Gang Prosecution   Unit that targeted hard core gang members that were involved in drug trafficking and violent crimes.  He wrote the first search warrant in Florida that allowed a search for gang evidence.  He successfully argued to obtain the first formal ruling in Florida admitting gang evidence at a trial.  Jarrett also served as a consultant to the U.S Army on the first gang prosecution in the U.S military.  Jarrett served as a Drug Enforcement Administration Special Agent for four years, where he received the DEA's Administrator Award and the International Narcotics Officers' Association's International Award of Honor.  Employing a strategic, goal-oriented formula, he developed while prosecuting cases, Jarrett coordinated agents and investigators toward a unity of effect, indicting one of the most powerful drug traffickers in the world and dismantling his organization.  Jarrett is now practicing criminal law with one of Miami's most respected law firms.  Jarrett has a wealth of knowledge investigating violent street criminals and major narcotics traffickers.

Craig Catlin

Craig is a Detective with the North Miami Beach Police Department and has over 18 years of law enforcement experience.  He is currently assigned to the Street Crimes Unit and conducts gang investigations.  Craig is a multi time Officer of the year recipient with the NMBPD.  He is recognized nationally as the an expert on Gang Fraud Investigations.  He has been featured on CNN, FOX Business and other media outlets for his efforts in investigating gang members.  As a gang detective he was awarded the 2012 International Fraud Investigators Officer of the year.  His efforts in gang fraud investigationshas resulted in the seizure of over two million dollars of illicit funds.  He is also cross deputized with a United States Secret Service Task Force and an IRS Task Force.   

 Lino Diaz

Lino is a Detective with the North Miami Beach Police Dept.       and has 18 years of law enforcement experience. Lino is         currently assigned to the Street Crimes Team, which        targets gang members, street level narcotics dealers, burglary subjects and violent criminals.  Lino has also participated on   the NMBPD Tactical Unit, the Robbery Intervention detail and    a multi jurisdictional street crimes enforcement team that         targeted violent subjects in Miami Dade County.  Lino has       been on the NMBPD Special Response Team for over 12 years  and is currently the Assistant Team Leader. Lino's other         duties include being a Colt MP5 and Chemical Munitions            instructor for NMBPD.   


Michael Vadnal

Michael is a 25 year veteran of the Browdard County Sheriff's Office in Fort Lauderdale, Florida.  He has been a detective for over 16 years investigating animal crimes and has investigated over 2,000 cases including Pit Bull fighting and animal abuse crimes.  Michael has testified as an expert witness in both the 17th Judicial Circuit and the 10th Judicial Circuit courts of Florida.  Michael has been interviewed by numerous television networks, newspapers, magazines and internet sites.  Michael has also been featured on Animal Planets "Miami Animal Police" television show.  Michael has been instructing law enforcement officers on the underground world of Pit Bull fighting organizations since 1999.  

Phil Dorfman

Phil is a Sergeant with the Delray Beach Police Department. Phil was in the Vice and Narcotics Unit for over nine years and has conducted numerous VIce and Narcotics investigations.  Phil was involved in conducting undercover investigations along with the Palm Beach County State Attorneys Office, which targeted illicit massage parlors.  The investigations resulted in the use of "Sneak and Peek" search warrants that led to numerous arrests for racketeering and prostitution charges on the businesses and employees.  Phil has developed a presentation based on actual case studies and techniques utilized during the undercover investigations.  


Heather Weyker

St. Paul Police Department, with over 16 years experience.  Heather is currently assigned to a Vice/Human Trafficking Unit.  She has an extensive background working in narcotics, vice, and undercover operations/investigations.  Heather has worked with the DEA Task Force, JTTF, and on various other task force's.  She has taught Use of Force and Firearms courses, as well as report writing, various Vice seminars, and many Human Trafficking conferences.  She recently assisted in writing a Minnesota State Bill to change and improve the prostitution, and sex and labor trafficking laws.  She serves on many committee's to assist in the education of human trafficking and its awareness.  Heather has an extensive background in writing search warrants, subpoena's, and various other forms of investigative techniques.  She has worked under cover operations most of her career in all forms: from surveillance, buying/selling narcotics, all types of prostitution details, to include hotels, street, parks, John/Jane Sweeps, reverse operations.

Juan Jurado

Sergeant, North Miami Beach Police Department. Juan has 12 years of law enforcement experience.  He has spent eight years on the Special Response Team and has completed five separate SWAT and Tactical certification courses.  He is additionally certified as a Distraction Device and Specialty Impacy Munitions Weapon Instructor.  Juan is additionally certified as an Incident Response to Bomb Instructor and a Static and Moving Vehicle conainment instructor.  Juan has a wealth of knowledge in tactical operations.  He is a three time international SWAT competition competator and is a highly motivated and respected instrcutor.  Juan also worked in the Crime Suppression Unit that targeted violent offenders and undercover surveillance on habitual offenders.










Copy Right 2014, LETA, Inc.


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Copy Right 2006, LETA, Inc.