Three people have been arrested months after a fatal stabbing in Derry, New Hampshire, officials said Monday, sharing new details about what's believed to have led to the killing.

Marco Junior Marquez Vera, 20, was arrested in Madrid, Spain, and Jeffrey Li, 18, was arrested in Queens, New York, on second-degree murder charges in the May 19 killing, according to New Hampshire's attorney general and state police as well as Derry police.

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Law enforcement had said little about the killing of Gui Lin, near a business on Peabody Annex Road — behind the Hood Commons shopping mall. But police and prosecutors said Monday that Vera and Li traveled with another person, 18-year-old Ayaan Nisaar, to the address in order to com

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