TRUCKEE, Calif. — Authorities in Truckee have apprehended the suspect in the New Year’s Day fatal shooting of his girlfriend in Idaho, according to police.

Truckee Police Department officers arrested Kevin Michael McQuilliams, 26, of Pocatello, Idaho, at about 4:50 p.m. Thursday in the area of Dorchester Drive and Rolands Way in the Glenshire subdivision in eastern Truckee.

Authorities in multiple states had been aggressively searching for McQuilliams since the early morning hours of New Year’s Day when he allegedly shot and killed his girlfriend, 34‐year‐old AnnaRae Ponce, while at a house party in Idaho Falls, according to a report from the Idaho State Journal.

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According to the Journal, Idaho Falls police said it appears Ponce was not McQuilliams’ intended target but she somehow got in the way when he opened fire. Police believe she was killed instantly.

Police in Idaho were alerted to the incident when neighbors reported hearing gunshots at the home at about 1:15 a.m., officials said.

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TPD officers were monitoring the Interstate 80 corridor when they spotted his vehicle exiting the Hirschdale off-ramp from westbound I-80.

According to TPD, officers conducted a “high-risk traffic stop” in Glenshire and arrested McQuilliams without incident.

“I am very proud of our officers’ observations and actions that led to this arrest. We are also very pleased we were able to get such a dangerous suspect in custody without anyone else being hurt,” TPD Capt. Rob Leftwich said in a statement. “Truckee is an exceptionally safe town, but with a major interstate in our jurisdiction and metropolitan areas fairly close by, we have to remain prepared for these types of incidents.”

According to the Idaho State Journal, McQuilliams’ 4-year-old son was in the car when he was arrested. Authorities have placed the boy, who was unharmed, into protective custody.

McQuilliams was booked into the Truckee Jail for charges related to the homicide. The shooting remains under investigation by Idaho Falls Police Department.

It appears he has no connection to Truckee.

“This is a perfect example of great police work and interstate law enforcement communication that allowed for a quick arrest,” Leftwich said.