Andrew Kevin Walker was born on August 14, 1964 in Altoona, Pennsylvania, though some time during his childhood, he moved to Mechanicsburg, Pennsylvania, where he was raised. He attended the Mechanicsburg Area Senior High School until his graduation in 1982. Walker soon enrolled in Penn State University to pursue a career in film production. He graduated from Penn State in 1986, with a Bachelor of Arts in film and video. When he completed the script for Seven. Walker decided to move to Los Angeles to sell his screenplay. There, he personally contacted screenwriter David Koepp, who showed the script to executives at New Line Cinema, who ended up purchasing the rights to it. The film, however, took nearly three years to begin production.
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