RedactedNarrative: On Sunday, April 10, 2016 at approximately 1130 hrs, I along with Ofc. were dispatched to a two vessel accident at the Boca Chita harbor in Biscayne National Park, in Miami-Dade County. We were advised en route that there was currently a verbal altercation ongoing between the two parties. When I arrived at approximately 1210 hrs, the altercation had been diffused. 
  
   Miami Dade Fire Department (MDFD) was called for V2 owner/occupant, who was complaining of chest pain/pressure. MDFD arrived at approximately 1240 hrs and provided treatment but did not transport her. 
  
   On V1, I discovered damage described as paint chipping on the stern edge of the swim platform. Other damages to V1 can be discerned as "wear and tear" damages consistent with the age of the vessel, none of which appeared to be recently acquired. No injuries were reported by any occupants on V1.
  
  On V2, I discovered gel coat/fiberglass gauges and scratches (photographed) on the port side of the vessel just forward of midships. These damages are conducive to impact with another vessel. No other injuries were reported by occupants of V2.
  
  V1 owner/operator provided a written statement describing that he experienced mechanical failure with the shifting of the throttle cables. He claimed that his motor remained in the reverse gear, although he had shifted the throttle to neutral, then to forward gear. When he attempted to avoid collision with V2 by accelerating the throttle forward, the motor remained in reverse gear and accelerated in reverse, making physical contact with V2.
  
  V1 occupant provided a written statement describing that a mechanical problem led to V1 making contact with V2. She also claimed that occupants of V2 were yelling at them and threatening them (occupants of V1).
  
  V1 occupant provided a written statement describing a problem with the throttle shifting gears, causing the collision. He also stated that after the incident, he was able to speak to the owner of V2 and calm all persons involved.
  
  V2 operator provided a written statement explaining that V2 was docked when V1 was attempting to dock in reverse and collided with V2.
   
  V2 occupant a written statement explaining that V2 was "anchored" and V1, while attempting to "anchor" while in reverse, made impact with V2.
  
  V2 occupant provided a written statement explaining that V1 accelerated in reverse when it made impact with V2. He also stated that an occupant from V1 approached V2 after the incident in an aggressive manner. He claims that his intentions were to not make contact with the occupants of V1.
  
  Based on my interviews of the witnesses involved, I could not determine which party was the instigating party to the verbal altercation, and instructed both V1 and V2, along with their respective occupants to vacate Boca Chita once the on scene investigation was complete.
  
  Based on my interviews, witness statements, and damages documented, I was able to determine that V1 collided with V2 with the stern of V1 making impact with the port side midship hull above the water line of V2. 
  
  Based on my physical inspection and manipulation of V1's throttle movement, which seemed to shift from neutral to and from forward and reverse as it is designed, I can not conclusively determine that mechanical failure was a causing factor in this boat accident.
  
  V1 owner/operator Tamayo was issued a Uniform Boating Citation for having insufficient number of serviceable fir