Iftekhar Hossain was arrested on Dec. 8, according to West Windsor police, stemming from the November incident that killed a 12-year-old pedestrian and her dog.
An investigation into stolen gasoline led to the discovery of falsified patrol logs by a Mercer County park ranger showing he was on duty while he was really at his home, prosecutors said.
Authorities have been searching for a Matawan contractor accused of ripping off homeowners in Middlesex, Mercer, and Monmouth Counties for a total of about $250,000.
Investigators are looking for the public's help to identify a male in connection with the case as Stephanie Carmody's mother begins the process of laying her daughter to rest.