Alexander Ciccolo, 25, of Adams, Massachusetts, agreed to a 20-year prison sentence to avoid trial and a possible life sentence on terrorism charges in U.S. District Court in Springfield.
Piccolo's estranged father, a Boston police captain, tipped off authorities about his son's involvement with ISIS.
Retired Massachusetts State Trooper Lawrence Smith says that when he showed up for work on June 4, 2014 he found that a sergeant who was supposed to be at the barracks in Newbury was actually at home.
It mattered because the trooper who was covering for the sergeant not he desk at the barracks didn't know basic information about patrols on the road, including which troopers were performing them and where they were, Smith told MassLive.com.
