The investigation into Thursday afternoon's Oregon State Police trooper-involved shooting during a traffic stop along Interstate 84 east of Biggs Junction in Sherman County is continuing. The incident resulted in the trooper being wounded and the death of a male. The following information is approved for release by investigators and Sherman County District Attorney's Office:

* The involved officer is Trooper Matthew Zistel, age 26, assigned in the Patrol Services Division at The Dalles Area Command office. Trooper Zistel has been with OSP for five years and is married with no children. He was treated and released Thursday evening from Mid-Columbia Medical Center for a minor gunshot wound injury to his left side. Trooper Zistel has not authorized the release of his Department photograph.

* The deceased is identified as John Van Allen II, age 34. He has previous addresses in South Carolina and Pennsylvania, but was most recently residing in the Portland area. During the incident he was accompanied in the vehicle his three children; a 10-year old girl, and two boys ages 13 and 15. They were placed in Department of Human Services' custody last night and their names are not being released.

* An autopsy completed Friday morning at the Oregon State Medical Examiner's Office concluded Allen died from a single gunshot wound to the chest. No other injuries noted. Preliminary investigation indicates Allen was shot by the trooper during the exchange of gunfire.

* The trooper was working construction zone traffic safety overtime enforcement when he stopped the vehicle for a speeding violation. During the traffic stop, Allen and the trooper fired more than one round from their handguns. Total number of rounds fired is not being released at this time due to pending interview and investigation review by the District Attorney.

* The multi-agency investigating team is comprised of personnel from OSP Criminal Investigations Division, Sherman County Sheriff's Office, Wasco County Sheriff's Office, and The Dalles Police Department.

* Pursuant to the Sherman County Use of Deadly Force Investigation Guidelines, the District Attorney has the sole statutory and constitutional authority to make a decision on whether to present this to a Grand Jury. After a review of the information and evidence, and after consulting with investigators, the District Attorney shall make such decision. If the District Attorney decides to present a case to the Grand Jury, the District Attorney shall promptly notify the involved law enforcement agency, involved officer, and, when appropriate, the public.