Deadly Neighbor Fight: Man Shoots Father at 3-Year-Old's Party

On May 1, 2010, Kelly Danaher, 36, threw a party at his home to celebrate the birthdays of both his wife, Mindy, and 3-year-old daughter, Peri. Kelly Danaher would be murdered that night after being confronted by a neighbor. WATCH THE FULL STORY FRIDAY ON "20/20" AT 10/9C (Courtesy of the Danaher family)