Paul Caneiro was charged with first degree murder in the deaths of his brother, sister-in-law, and their children at their Colts Neck home, according to a court record.
Prosecutors are investigating two house fires linked to a single family. At one of the fires Tuesday afternoon, authorities found the bodies of two adults and two children.
The incidents include a head-on collision in Pennsgrove, an overturned tanker truck in Colts Neck, and a car that went off the Garden State Parkway in Galloway bursting into flames.
Cory Aufiero is believed to have stumbled into the street when he was fatally hit by a passing car, according to the Middlesex County Prosecutor's Office.
Dan Baldassare of Colts Neck, Monmouth County, was on board the KC-135 that crashed in a soybean field on Monday 85 miles north of Jackson, Mississippi, according to his family.