Authorities found Pappas a short time later, around 9:35 a.m. An officer confronted him, but Acevedo said he refused to show both of his hands. He was wearing body armor at the time, according to the chief.
After a second officer arrived at the scene Pappas shot himself once in the head, Acevedo said. He was pronounced dead at the scene.
“I’m convinced that, had we not had that second officer arrive from a different angle, that we might have had a shootout out there,” Acevedo said Friday at a news conference. “You normally don’t put on a bullet-proof vest when you’re thinking about suicide.”
The chief told reporters earlier this week that the killing of Hausknecht appeared to be the culmination of a years-old grudge.
“We have confirmed that (Pappas’) mom died on the operating table more than 20 years ago,” Acevedo said Wednesday. Hausknecht was her doctor.
While executing a search warrant at Pappas’ house Tuesday night, authorities found a file with information about the cardiologist, police said.
“(Officers) found a very extensive intelligence file that this suspect had put together on Dr. Hausknecht,” Acevedo said. “He knew everything that you could possibly find on this man.”
Among the information was a page that included names of other doctors and employees at Texas Medical Center, Acevedo said. Authorities passed the information along to hospital officials.
Authorities warned Wednesday that Pappas was well-armed and suicidal after they learned he sent a text message to a person in which he said he was going to kill himself.
Cardiologist for Former President George H.W. Bush Killed in Bicycle Drive-By Shooting