Northampton County District Attorney Stephen Baratta said the victim, believed to be about 15 months old, was pronounced dead.
A Lehigh Valley man has been sentenced to up to two years in state prison for attempting to injure dogs.
Zach Cole-Borghi was one of 22 suspects arrested last year after investigators uncovered a widespread drug operation.
Residents in the area were instructed to shelter in place around noon, but the order has since been lifted.
If you've been wondering "How's It Going To Be?" - nineties rock band Third Eye Blind will jam out on the Wind Creek Steel Stage at Musikfest this summer.
Surveillance video allegedly showed the suspect walking through neighborhoods overnight and striking windshields with what appeared to be a hammer.