A man and his six-year-old son were found dead Sunday morning in a suspected murder-suicide in central Israel, just hours after a teenager was stabbed to death in the north. The two were discovered in a house in Aviel, a small moshav south of Zichron Ya’akov, by the man’s father-in-law. Police suspect the 43-year-old man fatally shot his son, then turned the gun on himself. The deceased father, who had separated from his wife, sent his sister a vague and troubling text message before the incident, Channel 12 news reported. According to the outlet, the man’s father-in-law owned the house where he found them, as well as the gun used to carry out the shooting. “The father raised the child and took care of his every need, all the time,” a family neighbor told the Ynet news outlet. “No one expected this to happen. The parents were separated.…