LAS CRUCES — A television film crew is in the Borderland making a documentary about a murdered New Mexico State University student. Katie Sepich was raped and strangled to death in 2003. Her killer was not identified until three years later, after his conviction for unrelated crimes. DNA obtained at the crime scene ultimately tied him to the murder. Katie's story will air as part of a series called "Dead of Night" on the network Investigation Discovery. The series debuts March 12th.