Dennis and Tracy Combs said the driver dropped their son off at a nearby daycare center Friday afternoon and left even after staff said it wasn't their student.
Philandias Calvin accepted a plea deal with federal prosecutors in which he admitted to being a felon in possession of a firearm. He still faces an assault charge.
John Moten's term was set to expire in September. It's been extended through November as the search for the next police chief approaches the one-year mark.
Ford will be cremated and a memorial mass will be celebrated on Sept. 7 at Our Lady of Lourdes Catholic Church at 7148 Forsyth Boulevard in University City.