DALLAS, Texas (KTRK) -- A former Houston doctor has been charged with murder in a cold case investigation of a woman's death in Dallas.
George Guo, 56, was linked to the death of Katherine Bascone through new DNA testing.
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Police said Guo raped and choked Bascone 30 years ago.
Bascone survived and was confined to a bed. She died in February, and investigators ruled it as a homicide caused by an injury she suffered during the 1988 attack.
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Guo is also linked to several other sexual assaults, including the rape of a University of Houston student in 1988.