A person of interest, linked to the murders of four University of Idaho students, has been arrested in Pennsylvania, law enforcement sources said Friday.

Police in Moscow, Idaho, have scheduled a news conference for 1 pm PT, where they are expected to reveal more details about the November murders that shocked the small college town.

The arrest was made in Monroe County, in northeastern Pennsylvania, law enforcement sources told NBC News.

Ethan Chapin, 20, of Conway, Wash.; Madison Mogen, 21, of Coeur d’Alene, Idaho; Xana Kernodle, 20, of Avondale, Ariz.; and Kaylee Goncalves, 21, of Rathdrum, Idaho, were killed on November 13.

This is a developing story. Please check for updates.

david k li Y erik ortiz contributed.