. >> we're outside of what used to be marlene and michael warren's home. >> it was memorial day weekend. it was a normal south florida day. hot and humid. >> marlene and michael warren had been married nearly 20 years. she was a working mom, enjoying a morning at home with her son joey and three of his friends. >> i was 21 at the time. i was into a lot of things, you know, scuba diving, flying, life was an adventure, you know, it was exciting. and when this happened, it was all taken away. >> marlene was cooking breakfast for her son joe and his friends who were here at the house. >> and this chrysler lebaron pulls up to marlene warren's driveway. >> and out gets somebody dressed like a clown. full curly orange wig, red bulb nose, white face makeup, big suit, the whole deal. and approaches the door with two foil balloons and a basket of red-and-white carnations. >> the clown walked to the door. and then marlene answered the door. >> the clown hands her balloons and some flowers. >> i'll still remember this to this day, one of the balloons said, "you're the greatest." >> the last words i