rested. During questioning, police said he admitted to the killing. Public records link Cobos-Martinez to crimes in Houston, California and Florida. He's charged with capital murder and has been placed on an ICE hold at the Dallas County Jail. Records show he is a Cuban national. Detectives spent hours combing through the scene, later serving a search warrant at the motel for more clues behind the beheading. The motel property owners tell NBC 5 that Nagamallaiah had managed the motel for two or three years and described him as a good, hardworking person.