Flowers, candles and stuffed animals at a makeshift memorial in Newtown, Conn., the week after 20 children and 6 adults were killed at Sandy Hook Elementary School. Eric Thayer/Reuters/Landov hide caption toggle caption Eric Thayer/Reuters/Landov The Two-Way Sandy Hook Killer's Father Wishes His Son Hadn't Been Born March 10, 2014 In his first extensive comments about what his son did, Peter Lanza tells The New Yorker that "you can't get any more evil." Adam Lanza killed 20 children and six educators at a Connecticut school.