HOUSTON, Texas (KTRK) -- Authorities are investigating after they say a former Texas Children's Hospital employee allegedly had child pornography in his possession.Carlo Carreon, 49, was arrested Thursday for possession of child pornography. His bond is set at $1 million.The Montgomery County Sheriff's office says that Carreon was a former respiratory therapist at Texas Children's Hospital. It's not clear how long Carreon worked for the hospital.Texas Children's Hospital released the following statement: