Two St. John the Baptist Parish, Louisiana deputies were shot and killed Thursday morning and two other deputies were injured in what Parish Sheriff Mike Tregre called an “outright ambush.”

Sheriff Deputies Brandon Nielson, 34, and Jeremy Triche, 27, were shot and killed with an assault weapon.  Two other deputies were injured; 33 year old Michael Scott Boyington and 30 year old Jason Triche.

St. John Parish Sheriff Tregre reported that an officer was working a security detail near the Valero Oil Refinery.  He was shot in the parking lot of the refinery about 5 a.m.  Tregre did not release the details of the incident.

Sheriff Tregre then stated that a 911 call was received to report the shooting and a vehicle fleeing the scene speeding down River Road.   Deputies located that vehicle at a residence in the Riverview Trailer Court.  When deputies arrived at the trailer to conduct their investigation, they attempted to question those persons inside the trailer.

Sheriff Tregre said his officers observed a person lying under a blanket inside the home who was fully clothed.  They thought that this person may have been the suspect in the initial shooting.  That investigation was abruptly ended when another person opened fire on the deputies. The investigation is ongoing.  Authorities do not if the same weapon was used in both shootings.

Officers killed in the shooting have been identified as 34 year-old Deputy Brandon Nielsen, a two year veteran and 27 year-old Deputy Jeremy Triche, a four year veteran.  The two other Deputies injured by gunfire are Sheriff Deputy Michael Scott Boyington, a  three year veteran, and  Jason Triche, is a ten year veteran.  Deputies Jason and Jeremy Triche are not related.

Jason Triche is undergoing surgery at University Hospital in New Orleans. Boyington was taken to River Parishes Hospital.   Two of the five persons taken into custody at the scene have been transported to hospitals with life threatening gunshot wounds.  Their names have not been released.

Several law enforcement organizations are assisting in this active investigation with the Louisiana State Police leading the investigation.

Deputy Jeremy Triche and Deputy Brandon Nielson, EOW August 16 2012

Gone but never forgotten.

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Louisiana Sheriff’s Deputies Brandon Nielsen and Jeremy Triche Killed in Ambush, Two Other Officers Wounded