Manhunt underway for Houston cardiologist murder suspect
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After almost two weeks of uncertainty, Houston police say they have identified a suspect in regards to the murder of Dr. Mark Hausknecht, an esteemed cardiologist who had treated former President George H.W. Bush. Officials say a tip led them to the suspect, Joseph James Pappas, who they believe to be armed and dangerous. NBC’s Tammy Leitner reports for TODAY.Aug. 2, 2018
