stress that was overwhelming and get to that point of focus. i've done that my whole life. >> reporter: did you have anything to do with your wife's death? >> absolutely not. i would never hurt a human being in my life. i stick up for the underdog as my wife did. we're loving, caring people. >> reporter: are you worried that you will be arrested for your wife's murder? >> i will never be arrested for my wife's murder. there is nothing that would ever link me to this crime. >> reporter: police arrested but haven't charged joe for drug possession. as for laura's death, joe has established a private $25,000 reward for information leading to a conviction. investigators haven't ruled it a homicide, saying that the case is still open. coming up, the latest dramatic chapter in the bernie madoff saga, $7 billion turned over today to help the victims but where did the money come