BURLESON (WBAP/KLIF News ) – A Burleson man who law enforcement said was obsessed with high-profile mass shootings, and idolized the 1999 Columbine high school shooters, has pleaded guilty in federal court to weapon and child porn charges. 22-year-old Noah Calderon admitted possessing a homemade bomb, and having pornographic pictures of children on his cellphone.…… MORE