The two suspects, identified as, Zachary N. Davis, 26, and Sebastian (NMI) Martinez, 21, are wanted in connection to a murder that happened on March 11 in Tomah, Wisconsin. According to Wisconsin authorities, “Sebastian Martinez, who is known to dress as a female, is also known as Sabrina Martinez.”
Derek Mikel Magnuson PHOTO Courtesy News 2
According to News 2, authorities found Derek Mikel Magnuson, a father of two, dead in his room at the Econo Lodge hotel in Tomah, Wisconsin. Magnuson, an Army veteran who served in Desert Storm, was 43 years old.
An autopsy was ordered by the Monroe County Coroner and completed at the University of Wisconsin Hospital – Madison on Thursday, March 12, 2015. The autopsy revealed that the cause of death was the result of penetrating trauma to the body from a knife or a similar pointed object.
According to Millersville police Chief David Hindman, the arrest of Davis and Martinez Sunday came after officers spotted a man acting suspicious at a Shell Station not far from the campground.
The vehicle the men were in had a broken tail light so officers eventually pulled the car over. The men told police they were staying at a nearby campground.
Chief Hindman said the officers went with the men to the campground where they ran the car’s tags.
Police learned the car was stolen from Idaho and its license plate was stolen out of Michigan.
Further investigation showed the two men were wanted for a high-speed chase in Idaho and a murder out of Wisconsin, News 2 reported.
As Millersville police tried to take the two men into custody, the men ran but Millersville police quickly captured them.
A bloody machete was located inside their car, News 2 reported.
Millersville police Chief David Hindman
Police will not comment on whether or not it was the murder weapon, but Wisconsin officers reportedly told Millersville police to look for that type of weapon inside the car.
“It was very good police work by my officers,” Chief Hindman said. “The suspects had no reason to be here. No family here.”
It was determined that Davis and Martinez left the City of Tomah and the State of Wisconsin soon after the homicide. Neither has ties to the Tomah area and were believed to be passing through Tomah at the time of the homicide.
At the time of the homicide, Davis and Martinez were wanted by the Idaho Department of Corrections for prior Probation/Parole violations. The warrants were valid within the State of Idaho only. The Idaho Department of Corrections updated the warrants making them extraditable and valid throughout the United States.
Idaho currently has extradition orders for the men, and Wisconsin may soon follow.
According to Chief Hindman, the two suspects confessed to the murder.
The murder victim, Magnuson, was 43 years old. He served in the U.S. Army during Desert Storm.
Press Conference held at the Tomah Police Department, March 25, 2015, 10:00 a.m.
UPDATE on Charges for both suspects: March 25, 2015
Tomah Police Chief Mark Nicholson, Monroe County Sheriff Scott Perkins, and Monroe County District Attorney Kevin Croninger are announcing today that based on the investigation conducted by the Monroe County Joint Investigative Task Force, the Monroe County District Attorney’s Office has filed Criminal Complaints against Zachary Davis and Sebastian Martinez.
Zachary Davis has been charged with the following three counts:
First Degree Intentional Homicide, As a Party to a Crime, a Class AFelony punishable by life in prison.
Armed Robbery With Use of Force, As a Party to a Crime, a Class C Felony punishable by up to 40 years in prison and a fine of up to One Hundred Thousand Dollars ($100,000).
Operate a Motor Vehicle Without Owner’s Consent, a Class I Felony, punishable by 3 years and 6 months in prison and a fine of up to Ten Thousand Dollars ($10,000).
Davis is also alleged to be a criminal repeater meaning the potential penalty for each charge is increased by either four or six years
Sebastian Martinez has been charged with the following three counts:
Felony Murder, As a Party to a Crime, an unclassified Felony punishable by up to 55 years in prison and a fine of up to One Hundred Thousand Dollars ($100,000).
Harboring or Aiding a Felon, As a Party to a Crime, a Class G Felony, punishable by up to 10 years in prison and a fine of Twenty Five Thousand Dollars ($25,000).
Operating a Motor Vehicle Without Owner’s Consent, a Class A Misdemeanor, punishable by up to 9 months jail and a fine of up to Ten Thousand Dollars ($10,000).
Sebastian Martinez has also been alleged to be a criminal repeater meaning the potential penalty for each charge is increased by either two or six years.
The following is a summary of events leading up to this point in the investigation:
On March 11, 2015 at approximately 7:30 a.m. Tomah officers responded to a medical call at the Econo Lodge Hotel located at 2005 N. Superior Avenue in the City of Tomah. The responding officers and paramedics discovered Derek Magnuson deceased in his hotel room.
An autopsy was performed and it was determined that Magnuson’s cause of death was the result of multiple stab wounds from a large knife or similar instrument.
Based upon video recordings obtained from the lobby area of the hotel and cash register receipts located in the victim’s hotel room, Investigators were able to identify and begin tracking two subjects who had been with the victim at the Econo Lodge Hotel. The suspects were identified as Zachery Davis and Sebastian Martinez.
On March 5, 2015 Davis and Martinez had been in the Boise, Idaho area and were suspects in the theft of a vehicle. Davis and Martinez were alleged to have left the Boise Idaho area in the stolen vehicle and began traveling across the country towards North Dakota.
On March 8, 2015 while in the Stanley, North Dakota area Davis and Martinez were allegedly involved in a high speed pursuit with police officers. Davis and Martinez were able to elude apprehension and flee from police, continuing their travels towards Wisconsin.
Investigators were able to determine that on March 10, 2015 at approximately 5:00 p.m. Davis and Martinez stopped in the Woodbury, Minnesota area at a sports store. While at the store Davis and Martinez were identified through in-store surveillance and financial documents. One of the items purchased by Davis while at the store was a machete style knife.
Video surveillance obtained from the Econo Lodge Hotel depicts Davis and Martinez entering the Econo Lodge Hotel lobby area with the victim during the evening of March 10, 2015. It appears that Davis and Martinez were at the hotel as guests of the victim.
Statements from guests staying in a room adjacent to the victim’s room indicated that in the early morning hours of March 11, 2015 a disturbance was heard coming from the victim’s room.
On March 11, 2015 at approximately 7:45p.m. Davis was identified through in-store surveillance and financial documents making purchases at a sports store in Hammond, Indiana. Investigators were unable track the whereabouts of Davis or Martinez after leaving the sports store in Hammond, Indiana.
At the time of the homicide, Davis and Martinez were wanted by the Idaho Department of Corrections for prior Probation/Parole violations. The warrants were valid within the State of Idaho only. Based upon information provided to the Idaho Department of Corrections by our Investigators, the Idaho Department of Corrections updated the warrants making them extraditable and valid throughout the United States.
Information was sent out to law enforcement agencies across the nation to be on the lookout for Davis, Martinez, and the vehicle that they had been operating.
On March 22, 2015, Davis and Martinez were apprehended by authorities in Millersville, Tennessee. When Davis and Martinez were apprehended they were in the possession of the car which was allegedly reported stolen from Idaho. At the time of their arrest a search of the vehicle was conducted. A machete appearing to be similar in size and shape to the machete purchased in Woodbury, Minnesota was located in the car.
Davis and Martinez are currently being held in Tennessee in the Robertson County Jail. The Monroe County District Attorney’s Office is currently working with prosecutors in Robertson County to extradite Davis and Martinez back to the State of Wisconsin.
Allegations contained within the Criminal Complaint and/or this Press Release are simply that; allegations. Both individuals are presumed innocent until and unless they are proven guilty.
Smokey’s news partner WKRN News 2 contributed to this report.
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