speaking out on their behalf. >> yesterday was, you know, very hard on them. as i'm sure everybody can imagine. >> reporter: while the fbi confirms the skeletal remains found in the carlton reserve were brian laundrie's, the family attorney says the family had discussed the possibility of suicide. >> you know, we had that conversation between the three of us, chris, roberta, and myself. several times. you know, we just do not know. um, of course, knowing his mental state when he walked out the door, it was always a concern. >> reporter: these new details raising more questions about what the family knew the night brian disappeared. >> brian had been extremely upset. chris and roberta were very concerned about him. they expressed that to me that when he walked out the door that evening, they wish they could have stopped him. they wish they could have, you know, prevented him from going out but he was intent on leaving. and -- and chris said to me, you know, in hindsight, i know i couldn't stop him. >> reporter: why brian was extremely upset, their attorney wouldn't say.