NPR

'20-Year-Old Grudge' May Have Led To Killing Of Houston Cardiologist, Police Say

Mark Hausknecht was shot and killed by the son of a patient who died during surgery decades earlier, according to police. The suspect, identified as Joseph James Pappas, remains at large.

It took seconds for renowned cardiologist Mark Hausknecht, who counted a former president among his patients, to be gunned down as he cycled to work clad in his scrubs last month in Houston. But police believe 20 years of resentment harbored by the son of one of his former patients boiled over and led to the killing.

they have evidence

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