question amy bishop. listen to the d.a. >> even though it was 24 years ago, you have to think that the tragedies of alabama could have been averted had some of those things been done. >> the clear implication there that we might not have had the tragedy of 2010 if an adequate investigation had been done in 1986. >> shepard: her parents are talking now, right? >> well, they are not saying very much. they are actually talking through an attorney they have hired. they have actually refused, in fact, to talk to the police. their attorney is now saying that amy bishop's mother, who was the only other witness to the shooting of the brother, will say the same thing in 2010 that she said in 1986, that it was purely and simply an accidental shooting, shep. >> shepard: three shots accidental happens all the time. so there is that. there is this triple shooting now that killed three people. and they are looking into yet another incident? >> yeah. this is an incident back in 1993. it was the attempted mail