Paul Criscione, 66, of Egg Harbor City turned himself in after seeing media coverage of the hit-and-run that injured a member of the school safety patrol.
Gary Richman had been arrested on an unrelated matter May 25, which authorities say was two days after his mother Sandra sustained a blunt force injury to the head during a car ride.
Ronin Austin Nevels, of Lindenwold, is charged with murder after the fatal shooting of Isaiah Shaw, 23, of Winslow on 9/30/22 and a standoff with SWAT on Saturday.