discussed with brian's parents the possibility that brian took his own life. so of course, anderson, they are looking for some answers. >> and is anything known about brian laundrie's state of mind before he disappeared? >> well, there are some clues possibly in this notebook that was found along with his remains and some personal belongings. we know from a source close to the investigation telling me that this notebook is possibly salvageable. we don't know what is in it but it's possible that he wrote something to give an indication of his state of mind or maybe about something that he had or hadn't done. the parents are not talking about brian laundrie's state of mind but the lawyer is. he spoke to wabc and he was asked about brian's state of mind and this is what he said. >> chris and roberta knew their son brian was grieving. they knew he was so upset. and, you know, they just couldn't control that he was leaving and he left. he walked out the door. and chris has said to me, i wish i could have stopped him but i