Name: Katherine Lavoie.
Died: December 30, 2014.
Age at death: 49.
Cause of death: Murder-suicide.
Location: New Hampshire, USA.
Disability: Bipolar disorder.
Katherine had attempted suicide, but survived and was hospitalized in critical condition. Her husband then walked into the hospital, shot her in the head, and killed himself.
Perpetrator: Mark Lavoie (Husband).