Traffic Homicide Investigations in Florida

With more than 19 million residents, Florida has nearly 100 million visitors that travel across the State of Florida each year. Based on the sheer number of people driving in the state, the criminal defense attorneys at the Sammis Law Firm understand that “sometimes a car accident is just an accident.”

Nevertheless, when a traffic accident results in death, the traffic homicide investigation begins. In fact, the traffic homicide investigators are called to the scene immediately after the accident.

In the most serious cases, a prosecutor with the traffic homicide division of the State Attorney’s Office might also arrive at the scene after the accident to help make sure evidence is gathered correctly.

The Florida Department of Highway Safety and Motor Vehicles (DHSMV) estimates that in 2014 there were over 344,000 traffic crashes resulting in over 225,000 injuries and 2,506 fatalities across the State of Florida.

Attorneys for Traffic Homicide Investigations in Tampa, FL

You also need an attorney on your side fighting to protect your rights from the earliest possible moment. If you are a suspect in a traffic homicide case, call a criminal defense attorney immediately. After a criminal investigation begins, you are not required to make a statement to law enforcement until after have spoken to an attorney.

Invoking your right to remain silent or to have an attorney representing you cannot be used against you at trial.

Contact us today to speak with an experienced criminal defense attorney at the Sammis Law Firm today. We represent clients in a traffic homicide case throughout Tampa, Hillsborough County, and the surrounding counties of the greater Tampa Bay area.

Call 813-250-0500.

Gathering Evidence During Traffic Homicide Investigations

The traffic homicide investigators gather as much evidence as possible at the scene including pictures of marks on the roadway, pictures of the locations of the vehicles, physical evidence from the vehicles, statements from witnesses, surveillance tapes from local businesses that may have captured part of the accident and a wide variety of other types of evidence.

The traffic homicide investigators have many resources at their disposal including accident reconstruction experts and toxicologists.

A sworn law enforcement officer with the Florida Highway Patrol, the sheriff’s office, or a local police department will investigate the case in Tampa, Hillsborough County, or any surrounding county throughout Tampa Bay, including Clearwater or St. Petersburg in Pinellas County, Bartow in Polk County, New Port Richey or Dade City in Pasco County, Brooksville in Hernando County, or Bradenton on Manatee County, Florida.

Law enforcement agencies have specially trained officers that do nothing but investigate these difficult cases. You also need an attorney focused on representing you at every stage of the case and protecting your rights.

Criminal Defense During a Traffic Homicide Investigation

When a death occurs after a traffic crash the resources of the State of Florida are used to pursue any criminal prosecution. The person accused also needs aggressive and experienced representation to protect his or her rights. The driver should not talk to law enforcement during a criminal investigation until the individual has spoken to a criminal defense attorney.

Your attorney may also hire experts to review the case including an accident reconstruction expert and toxicologist. When a traffic accident results in a death in the Tampa Bay area of Florida, then contact an attorney at the Sammis Law Firm.

Hiring a criminal defense attorney as soon after the accident occurs is important because your attorney also needs an opportunity to preserve evidence before memories fade and physical evidence is lost or destroyed.

Understanding the Victim Impact Factor in Traffic Homicide Cases

The State Attorney’s Office is often under extreme pressure from the victim’s family to make an arrest. In many traffic homicide cases, the prosecutors and traffic homicide investigators often make difficult decisions about whether the at-fault driver should be prosecuted.

During the early days of the investigations, it is important that your criminal defense attorney provides as much exculpatory evidence as possible to the State Attorney’s Office. Additionally, certain evidence showing mitigation can also make a huge impact on the attitudes of the victims and the traffic homicide investigators. Although the person accused should NEVER make a statement to law enforcement or the victim’s family, the criminal defense attorney is often in the best position to present your side of the case.

Likewise, after the arrest, the prosecutor will advise the victim’s family of the status of any plea negotiations. Often the wishes of the family members play a role in how the case is ultimately resolved.

Even in cases in which guilt is overwhelming, similar facts can lead to a lengthy prison sentence or only probation depending on the wishes of the victim’s family and the strategy of the criminal defense attorney.

Impact of Personal Injury Cases After a Traffic Homicide Investigation Begins

Additionally, the family of anyone killed or injured in the accident may hire a personal injury attorney to sue the driver of the other vehicle involved in the accident. Personal injury attorneys often take the case on a contingency basis and can sue not only the insurance company of the at-fault driver but also the individual driver. In many of these cases, the driver must face a criminal investigation and the inevitable civil lawsuit for money damages.

Factors such as fatigue, careless driving, cell phone usage, alcohol intoxication, drug impairment, or other types of negligence greatly affect the results of these personal injury lawsuits after a serious traffic accident or traffic homicide investigation. In many of these cases, both drivers acted in a way that contributed to the accident.

While the police focus on gathering evidence against the person accused of a crime, the criminal defense attorney must complete a thorough investigation of the other driver. Everyone involved in these cases has an important interest in making sure their rights are protected and that all evidence from the scene is gathered properly.

Never assume that the traffic homicide investigators are looking out for your interest. Law enforcement investigations are never completely objective because the officers involved make a judgment call and then begin gathering evidence that supports that theory of the case.

Traffic Homicide Investigators in Florida

Certain law enforcement officers receive special training as traffic homicide investigators (THI). At any time of the day or night, these officers are dispatched to the scene of motor vehicle collisions involving death or fatality. These traffic homicide officers are trained to carefully document all evidence from the crash scene.

The goal in most investigations is to reconstruct the manner in which the crash occurred in order to show whether any person involved is civilly or criminally liable for the personal injury or death that occurred.

The traffic homicide officers throughout the Tampa Bay area will document different types of evidence that can be gathered from the scene or from interviewing the witnesses. You will also want to work with your criminal defense attorney to hire an expert to gather and analyze information from the traffic crash investigation including:

  • Roadway evidence including the type, width, and condition of the roadway as well as the grade and curvature of the roadway on which the accident occurred;
  • Criminal responsibility of the driver due to alcohol intoxication, drug impairment, fatigue, mental state, driving experience, driving history, reaction time, and attitude of the driver of the motor vehicles involved in the crash;
  • Criminal responsibility of the other driver including a blood test of any driver killed as a result of the crash to see if alcohol intoxication or drug impairment could have caused the accident;
  • Other factors on the roadway include street lights, traffic control devices, traffic signs and signals, and pavement markers;
  • Other conditions that could contribute to the accident include lighting, fog, rain, sleet, lighting, visual obstructions and other weather conditions;
  • Evidence to estimate the speed of the vehicles by examining scuff marks, skid marks, and airborne objects;
  • Determining kinetic energy and linear momentum;
  • Examination of the vehicle lamp, tires, and damage;
  • Calculations related to the center of mass;
  • Evaluations of tire damage;
  • Distance, time, and motion equations;
  • Analysis of the vector sum; and
  • The motion and dynamics of the vehicles involved in the crash are related to deceleration and acceleration.

Florida Traffic Homicide Investigation (THI) Command Vehicles

Many law enforcement agencies throughout the state of Florida have command vehicles that can respond to the scene of a traffic homicide investigation.

The command vehicles can take overhead pictures of the scene, have lighting systems for nighttime investigations, video equipment to capture the driver’s performance on field sobriety exercises and hold other equipment such as barricades and traffic cones.

The command vehicles also hold mobile breath test units called Intoxilyzer 8000 machines which can be used during checkpoints or roadblocks.

Types of Criminal Charges After a Traffic Homicide Investigation

After a car accident that results in the death of a pedestrian, another driver, or a passenger, the State Attorney’s Office in Florida may decide to file criminal charges. Those criminal charges can include any of the following offenses under Florida law:

  • DUI Manslaughter Leaving the Scene;
  • Vehicular Homicide Leaving the Scene;
  • Manslaughter by Culpable Negligence;

Even in cases in which no one dies as a result of the crash or when the person accused is not criminally liable for the victim’s death, other less serious charges can result including:

  • DUI with Serious Bodily Injury;
  • Reckless Driving;
  • Reckless Driving with Serious Bodily Injury;
  • Culpable Negligence;
  • Culpable Negligence with Personal Injury;
  • No Valid Driver’s License; or
  • Driving While License Suspended or Revoked.

In some cases, no criminal charge is filed. Instead, the investigating officer will only issue a non-criminal, civil traffic infraction for speeding, failing to maintain a lane, running a red light, etc.

Any non-criminal traffic ticket for a case involving death or serious bodily injury is subject to special procedures listed in Florida Statute Section 318.19. That statute, Florida Statute Section 318.19 requires a mandatory court appearance in front of a county court judge if the case involves:

  1. Any infraction which results in a crash that causes the death of another; or
  2. Any infraction which results in a crash that causes “serious bodily injury” to another as defined in s. 316.1933(1).

Although the citation is non-criminal, a conviction still comes with very serious penalties including an enhanced mandatory fine of $1,000, and a mandatory driver’s license suspension (3 months for serious bodily injury or 6 months for death). The judge can (but is not required to) impose a special condition that you complete 120 hours of community service (although that particular penalty is rarely imposed in the traffic courts in Tampa).

Call an attorney if you were issued a non-criminal traffic infraction involving death or serious bodily injury with a mandatory hearing.

Florida’s Fatality / Serious Bodily Injury (FSBI) Reporting Requirements

Under Section 322.27, Florida Statutes, the DHSMV must be notified, within 24 hours, of any traffic fatality, or when the law enforcement agency initiates action requiring a blood test for impairment or intoxication, pursuant to Section 316.1033, Florida Statutes. The Driver and Vehicle Information Database (DAVID) is the primary reporting mechanism for fatalities and serious bodily injury (FSBI).

The reporting system was created to record traffic crashes that meet one of the following criteria:

  • a traffic fatality; or
  • a serious bodily injury where a blood sample was drawn from any driver.


Florida Traffic Homicide

Manual for Traffic Homicide Investigators with Florida Highway Patrol – Traffic Homicide Investigations Unit of the Florida Highway Patrol includes 168 full-time investigators in 23 squads across the state of Florida. Find the TRAFFIC HOMICIDE INVESTIGATION (THI) MANUAL to learn more about procedures in the manual for investigative responsibility and appropriate reporting formats for specific types of fatal investigations.

Google Books Result on Traffic Homicide Investigations by the Florida Highway Patrol – Read Google Books Results for more information about traffic homicide investigations by the Florida Highway Patrol including historical information, statistics, studies, and stories about motor vehicle traffic crashes resulting in a fatality or serious bodily injury.

Finding a Traffic Homicide Attorney in Tampa, FL

We represent individuals under investigation for any traffic homicide case in the greater Tampa Bay area including Tampa or Plant City in Hillsborough County, Dade City or New Port Richey in Pasco County, Bartow in Polk County, Bradenton in Manatee County, St. Petersburg or Clearwater in Pinellas County or Brooksville in Hernando County, FL.

We represent clients charged with a wide range of traffic homicide cases including a non-criminal traffic infraction with a mandatory hearing, leaving the scene of an accident with death, vehicular homicide, fleeing or attempting to elude causing death, or driving while license suspended causing serious bodily injury or death.

Call (813) 250-0500 today to talk with an experienced criminal defense attorney about your case today.

This article was last updated on Thursday, July 28, 2022.