The abuse case made national news in November after Linscott and Dow dropped the injured boy off at Exeter Hospital. The couple agreed to surrender to police, but hid in Haverhill. Then, they went to Boston, took a bus to New York and a train to Florida.
Linscott also faces six misdemeanor counts of endangering the welfare of a child. Each charge is punishable by up to a year in jail.
Dow faces a first-degree assault charge and two charges of second-degree assault. Each charge carries a potential 30-year prison sentence and the possibility of a fine up to $4,000.
Dow also faces five charges for endangering the welfare of a child. Each charge comes with a one-year maximum sentence and up to a $1,000 fine.