DERRY, N.H. —

Three men have been arrested following a months-long investigation into the fatal stabbing of a man in Derry.

In May, police found 41-year-old Gui Lin at a business park on 4 Peabody Annex Road with a stab wound that pierced his heart.

"When they arrived, they found an adult male, Mr. Gui Lin, suffering from a stab wound. Mr. Lin was transported to the hospital, where he was later pronounced dead," said Assistant Attorney General Alex Kellerman.

In a coordinated effort with federal authorities and the New York Police Department, Jeffery Li and Ayann Nisaar were taken into custody in Queens. Marco Junior Marquez Vera was arrested in Madrid, Spain.

"It took extensive efforts on their part to track these individuals, gather evidence, and making painstaking efforts to put

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