via KPRC 'HOUSTON - Joseph Pappas, the suspect in the slaying of Dr. Mark Hausknecht, was found dead Friday in a southwest Houston neighborhood, according to multiple police sources.
"Police had indicated that the man had evidently shot himself, that the police evidently were coming up to him and asking him to put his hands up, and he put one arm up and, this is according to what this man said the police said, and evidently the man pulled out his gun and shot himself," a person who lives in the neighborhood said.'