Family horror: Grandma who killed 2 grandsons left behind suicide note

Posted at 9:28 PM, Feb 28, 2013
and last updated 2013-02-28 21:28:32-05

A Connecticut grandmother who gunned down her two grandkids  apparently left behind a suicide note.

Police say 47-year-old Debra Denison shot her 2-year-old , and 6-month-old grandsons after picking them up at daycare on Tuesday.

Denison reportedly had a history of mental illness. Police have not released details of the note.