The cause of death for a boy who was found in an attic four years after he disappeared has been revealed. Jaylen Griffin was found badly decomposed by a maintenance man in a property in New York, on April 12. The 12-year-old was last seen leaving his home as he headed to the grocery store – just five miles from where his body was found – on August 4, 2020. Now, his father, Brian Griffin said his son was stabbed to death with a sharp object. The boy’s death certificate does not make clear how many times he was stabbed or when he was killed, according to HNGN. A missing person’s report was not f…