When Grant McPherson, who has cerebral palsy and uses a wheelchair, temporarily went into care, his father Leonard McPherson had no idea they would be separated for so long. During that time, Grant suffered a string of injuries, including a broken leg and a severe burn — and was almost banned from seeing his father altogether. Now, after a years-long legal fight, Grant and his father are reunited — but he want answers, as Michele Paduano reports