February 20, 2015 9:15 AM EST

A teenage suspect has been arrested in connection with fatally shooting a mother of four after a road rage incident last week, police said Thursday.

“It is believed right now he is the only shooter, but there is another suspect involved in the incident,” Las Vegas Metropolitan Police Department Capt. Christopher Tomaino said.

Erich Nowsch, 19, was arrested early Thursday afternoon after a brief standoff at a home a block away from the scene of the Feb. 12 shooting.

Police said Nowsch shot Tammy Meyers, 44, outside her home around 11:22 p.m. that night, and she died two days later

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