A Southern California woman claimed her father was the infamous Zodiac killer who terrorized the Bay Area in the 1960s and 1970s and said she helped him write and mail the letters that earned him the sensational nickname. Deborah Perez, 47, said Wednesday that she saw a composite sketch of the Zodiac killer in August 2007 and recognized the man as her father, Guy Ward Hendrickson, who died in 1983. She said she had never heard of the Zodiac killer prior to seeing the composite sketch. "He told me he was sick and all I wanted to do was help...