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Can Dashcam, Doorbell, and Smart-Car Data Prove Who Caused a Florida Crash?

Many doorbell cameras and dashcams record old footage within a few days. Some loops in hours. The speed and braking data inside a modern car can disappear once the vehicle is repaired or sold for scrap. If no one saves this evidence early, your Florida accident case can shrink to just your word against the other driver’s word.

In Florida, a Few Points of Fault Can End the Case

Florida moved to modified comparative negligence in 2023. Under Section 768.81 of the Florida Statutes, a person who is found to be more than 50% at fault for their injuries does not recover anything. If the percentage is 50 or less, then the award is reduced by that amount.

Insurers know this rule well. A disputed lane change or a story about a yellow light can be enough to push you over the line.

The video doesn’t have a version of the events. That’s why it matters.

What Each Source Can Actually Show

Different devices provide different information about a car crash:

  • Dashcams: They can record the lane position, signals, light phase, and following distance of the vehicle.
  • Doorbell and home security cameras: They have a fixed angle, which makes it easier for a reconstruction expert to calculate speed and timing. However, the footage is controlled by a neighbor or business, not the driver.
  • Event data recorders (EDRs): Most newer vehicles have these, which log speed, throttle, braking, and seatbelt use in the seconds before an impact.
  • Connected-car and driver-assistance systems: Some of these upload camera images and system logs to the manufacturer’s servers after a collision.
  • Telematics: Rideshare apps and fleet trackers can confirm speed and route information.

None of this replaces witness or scene photos. Together, it can make it very hard for the other side to win a dispute.

Who Owns the Data Inside a Car

The Driver Privacy Act of 2015, enacted as part of the FAST Act, makes EDR data the property of the vehicle’s owner or lessee. Anyone else generally needs the owner’s consent or a court’s authorization to retrieve it. Getting the other driver’s data typically requires a court order after a case has been filed. For a company vehicle, the company is the owner.

Getting Footage Admitted in Court

Florida’s authentication rule requires evidence showing that the footage is what it claims to be. Usually, that means testimony from the camera’s owner and original files with intact timestamps. A phone recording of a laptop screen is a weaker exhibit.

Audio is a separate problem. The Florida wiretap law, Section 934.03 generally requires consent from all parties before a private conversation can be recorded. Video from a public road does not raise that concern, but a recorded conversation in a car might.

How to Preserve Digital Evidence After a Crash

Most of this evidence has been lost due to delay, not destruction. Here are a few steps to protect it:

  • Pull your dashcam’s memory card or download the video clip before the device overwrites it.
  • Ask nearby homes and businesses if they have footage from within the days leading up to the incident. Police can also post voluntary requests through the Ring Neighbors app, but owners may ignore them.
  • Ensure your car is not repaired, salvaged, or released from the tow yard until the data has been downloaded.
  • Have a lawyer send letters of preservation to the other driver, their insurance company, any employer involved, and the vehicle manufacturer if driver assistance technology was used.

Florida courts can sanction a party that destroys evidence they had a duty to keep. Sanction is still a poor trade for footage itself.

Let Hutch Firm Lock Down the Evidence Before It’s Gone

Proving fault with digital evidence requires more than just downloading. It requires a team that understands crash physics, vehicle engineering, and how insurers try to analyze video. Hutch Firm’s experience in large defense firms means we know how the other side will attempt to attack your evidence.

You have one claim and one chance to prove it, and Florida generally only gives you two years to file a negligence lawsuit. Contact Hutch Firm today while the footage is still available.