The Nebraska State Patrol

Colorado Attempted Homicide Suspect Arrested in North Platte

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North Platte, NE

Troopers with the Nebraska State Patrol, with assistance from Homeland Security Investigators, have arrested two people after searching for a man wanted in connection with an attempted homicide. The arrests occurred Thursday in North Platte.

Thursday morning, NSP received information that a man with an active arrest warrant for attempted homicide was believed to be in North Platte. The warrant was connected to an investigation in Colorado.

At approximately 12:00 p.m., troopers located the suspect’s vehicle, a Ford F-150, as it was traveling on residential streets in North Platte. The vehicle came to a stop outside a house near West 6th Street and North Emory Avenue. At that time, troopers contacted the driver and placed him into custody without incident. A passenger was also detained.

Further investigation revealed that both occupants of the vehicle were in possession of suspected methamphetamine. Troopers searched the vehicle and found a handgun, over .5 pounds of suspected methamphetamine, a knife, burglary tools, and several credit cards, IDs, and checks belonging to other people.

The wanted subject, Robert Martell, 44, of Denver, Colorado, was arrested for the outstanding warrant. He and the other subject, Allison Gruenloh, 20, of Littleton, Colorado, were both arrested for numerous charges, including possession of methamphetamine, possession of methamphetamine with intent to deliver, possession of a firearm during a drug violation, possession of burglar’s tools, identity fraud, criminal possession of 4+ financial devices, and other charges. Both were lodged in Lincoln County Jail.

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