house. >> mary ellen is peter moore's wife. >> couldn't believe it. >> reporter: did you think it had something to do with what happened to robert? >> well, i didn't think that at first. i said, what are they doing at our house? >> i got out of the car and said what the -- is going on here? two cops came over and grabbed me and escorted me to the front of my house. >> reporter: mary ellen and peter asked investigators what was going on. they were handed the search warrant stating investigators were looking for anything connected to bomb making. >> i said how do you know it was a bomb? we don't even know it was a bomb. >> reporter: that was the first you heard of such a thing? >> because we thought it was an accident. >> reporter: did they seem to be accusing the two of you? >> yes. >> reporter: both of you? >> yes. >> reporter: were you frightened? >> oh, yes. >> reporter: what were you afraid of? >> that they thought we did it. >> reporter: around colusa the raid on peter's house just days after roberto's death was big news. the neighbor began sending out