Concord, NH – Attorney General John M. Formella, New Hampshire State Police Colonel Mark B. Hall, and Derry Police Chief George R. Feole announce that following a May 19, 2025 assault in Derry, New Hampshire, an active homicide investigation is now underway.
At approximately 11:21am on May 19, 2025, the Derry Police Department received a call for assistance outside an area business at 4 Peabody Annex Road in Derry. Upon arriving at the address, first responders encountered an adult male, Gui Lin (age 41), suffering from multiple stab wounds. Mr. Lin was transported to the Elliot Hospital in Manchester.
He was later pronounced deceased, and an autopsy has now been conducted on Mr. Lin by the Office of the Chief Medical Examiner. Chief Medical Examiner Jennie V. Duval was able to determine that the cause of Mr. Lin’s death was a stab wound of the chest with perforation of the heart, and the manner of his death was homicide.
If anyone in the local community has any information that they believe may be helpful in this investigation, please contact the New Hampshire State Police Major Crime Unit at mcu@dos.nh.gov. Tips and related information can also be provided anonymously by calling 603-MCU-TIPS.
The circumstances surrounding this incident remain under active investigation.