View Post ABC Affiliates | Top 10 ‘Trailblazer’ Theresa Gutierrez to Retire at WLS By Mark Joyella on Sep. 24, 2014 - 8:16 AM ABC-owned WLS in Chicago announced Tuesday reporter Theresa Gutierrez will retire after 42 years. Gutierrez joined the station as a production assistant in 1972, and became a general assignment reporter in 1986, earning respect an ...