An arson at a home at 314 Islington Street in Portsmouth, New Hampshire, in the early morning of Saturday, October 11, 1986, killed three people. The fire was reported at about 3:25 a.m. and was later determined to have been deliberately set. Two residents, 24-year-old Terry Giles and 29-year-old Joseph Poulin, died at the scene. A third resident, 39-year-old Caucasian female Linda Plummer, suffered extensive, life-threatening burns and was flown to Massachusetts General Hospital.

Linda Plummer fought for her life for more than five months but died of her injuries on March 30, 1987, becoming the third fatality from the intentional blaze. The deaths of Plummer, Giles, and Poulin are classified as unsolved homicides. No arrests or publicly named suspects have been reported, and the New Hampshire Department of Justice lists the case as open. Portsmouth Crime Stoppers is offering up to a $20,000 reward for information leading to resolution.

Does anyone have memories or information about the Islington Street fire or the people who lived there that could help investigators?