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Deputies Are Investigating A Double Traffic Homicide Crash In St. Pete Beach That Occurred September 30, 2011; Today The Suspect Has Been Arrested

Release Number: 11-246

Pinellas County Sheriff’s Office
Major Accident Investigation Team (MAIT)

City of St. Pete Beach
Police Department

Daniel Dalton Dolcater (Driver, Injured, Arrested)
DOB: 12/12/1990
Address: 6226 11th Avenue South, St. Petersburg FL.
Vehicle: 2001 Silver GMC Yukon SUV
Arrested for: Two Counts of DUI Manslaughter, One Count of Aggravated Fleeing and Eluding, and One Count of Driving While License Suspended Causing Death

Pablo Alonso Mansilla-Aguinaga (Driver, Deceased)
DOB: 10/31/1978
Address: 11105 Summer Drive, Tampa FL.
Vehicle: 2006 Silver Mazda 3

Sandra Paulson (Passenger, Deceased)
DOB: 12/28/1977
Address: 1900 Seville Drive, # 201, Shaumberg IL.
Vehicle: 2006 Silver Mazda 3

What: Pinellas County Sheriff’s Office, Major Accident Investigation Team (MAIT) deputies are investigating a double traffic homicide crash in St. Pete Beach that occurred on September 30, 2011. Today the suspect has been arrested.

Where: 5900 Gulf Boulevard, St. Pete Beach FL.

When: The crash occurred on Friday, September 30, 2011at 8:48 p.m.
(The Sheriff’s Office MAIT Unit was requested to investigate the crash on Sunday, October 2, 2011)

On Friday, September 30, 2011 at 8:40 p.m., St. Pete Beach Police officers using radar measured a Silver GMC Yukon SUV traveling southbound on Gulf Boulevard at 69 mph in a posted 35 mph zone. St. Pete Beach motorcycle Police Officer Vaughan got behind the SUV activated his emergency equipment, and attempted to stop the speeding vehicle driven by Dolcater. The vehicle abruptly accelerated lost control and crashed into a 2006 Silver Mazda 3 occupied by Pablo Alonso Mansilla-Aguinaga, 32, from Tampa, and Sandra Paulson, 33, from Shaumberg Illinois, in the 5900 Block of Gulf Boulevard.

Paramedics quickly arrived on scene and confirmed Mansilla-Aguinaga and Paulson were deceased. Dolcater was ejected from the SUV and found lying in the roadway unconscious. He suffered what appeared to be life-threatening injuries and was transported by ambulance to Bayfront Medical Center. His condition was later upgraded to non-life threatening injuries, and today he was released from the hospital.

On Sunday, October 2, 2011 at the request of the City of St. Pete Beach, the Pinellas County Sheriff’s Office, Major Accident Investigation Team (MIAT) took over the crash investigation and has been working closely with the St. Pete Beach Police Department to reconstruct the events surrounding the crash. Today, based on their investigation MAIT deputies have arrested Daniel Dalton Dolcater for two counts of DUI Manslaughter, one count of Aggravated Fleeing and Eluding, and one count of Driving While License Suspended Causing Death.

Dolcater has been transported to the Pinellas County Jail, and once he is processed his booking photo and information will appear on the “who’s in jail function” of the Sheriff’s Office website; follow the link to that site:

In connection with the investigation MAIT deputies are asking for the public’s help to identify another vehicle that was seen with Dolcater prior to the crash that may have additional information related to the crash. The vehicle is described as an older model maroon or purple minivan, no driver or occupants were seen.

Witnesses stated prior to the crash this minivan and Dolcater were seen racing or chasing each other in the St. Petersburg area of 5th Avenue and 66th Street North. Shortly afterward, Dolcater crashed into a Mazda 3 on St. Pete Beach causing the deaths of Pablo Alonso Mansilla-Aguinaga, 32, from Tampa, and Sandra Paulson, 33, from Shaumberg Illinois.

Anyone with information about the minivan, or the traffic crash is asked to call Pinellas County Sheriff’s Office MAIT Investigator Corporal Nicholas Lazaris at 727-582-6200, or to remain anonymous and be eligible for a cash reward, contact Crime Stoppers of Pinellas Inc., at 1-800-873-TIPS (8477).

The investigation continues.

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