Hillsborough County
Chad Chronister, Sheriff
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    Release Number: 16-355

    • For Immediate Release:
    • Public Information Office of Hillsborough County Sheriff’s Office
    • July 27, 2016
    • Contact Person:
    • Public Information Office : piocommandcenter@hcso.tampa.fl.us
    • 813/247-8060

    Traffic Fatality

    A pedestrian suffered fatal injuries in early morning traffic crash.
    • Wednesday
    • July 27, 2016
    • Time: 6:00 AM
    • Gibsonton Drive and Vaughn Street


    Leanna Jean Mammen (Fatality)
    DOB: 12/17/94
    8518 Gibsonton Drive Lot #17
    Gibsonton, FL


    • 2013 Grey Nissan Altima


    Isaac Rodriguez Velez
    DOB: 01/11/80
    12118 Fruitwood Drive
    Riverview, FL


    Gabriella Rodriguez
    DOB: 04/25/12


    On 07/27/16 at approximately 6:00 AM, a pedestrian, Leanna Jean Mammen, was walking north across Gibsonton Drive from the Murphy USA Gas Station (Wal-Mart). She had crossed the eastbound lanes and was crossing the westbound lanes when she was struck by a Nissan Altima, driven by Isaac Rodriguez Velez, traveling westbound on Gibsonton Drive in the right through lane at approximately 40 mph. After impact, Mr. Velez came to a controlled stop on the north shoulder of the roadway and called 911. Ms. Mammen was thrown to the north shoulder and died at the scene. Mr. Velez's daughter, Gabriella Rodriguez, was in the left rear seat in a child seat. No one in the Altima was injured. Neither alcohol nor drugs are suspected on the part of the driver. Next of Kin has been notified. No charges are expected in this case.

  • Sheriff Chad Chronister
    Sheriff Chad Chronister
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