Texas Dentist Murder Case May Involve Love Triangle

Police said an ex-girlfriend of Kendra Hatcher's boyfriend may have allegedly been involved in planning the shooting. Dallas police are still searching for the gunman.
1:50 | 09/09/15

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Transcript for Texas Dentist Murder Case May Involve Love Triangle
We turn to that murder mystery in Dallas. A young dentist gunned down in her apartment complex. Question about a possible link to a love triangle. Police have interviewed and searched the home of her boyfriend's ex-girlfriend. ABC's Ryan Owens has the latest. Reporter: Kendra hatcher posted smiling pictures of her and her new boyfriend on Facebook. She was a dentist. He a dermatologist. The question this morning, was jealousy of their young love a motive for her murder? ABC news obtaining just release search warrants from Dallas police that claim hatcher was followed, tracked by her boyfriend's ex-girlfriend before she was gunned down in the parking garage of her Dallas high-rise. Female is laying next to a silver chevrolet sedan with the door open. Reporter: According to the documents the 33-year-old ex-girlfriend used a black iPhone to follow hatcher's movements last Wednesday, even allegedly paying an unnamed gunman $500 to rob the pediatric dentist and bring her hatcher's driver's license as proof. The search warrant also says she ended a two-year relationship with hatcher's current boyfriend earlier this year. Dallas detectives say they have interviewed the ex-girlfriend, searched her apartment and seized a computer, but have not charged her with any crime. We have a shooting. We're looking for a black jeep cherokee. Reporter: So far the driver of that jeep caught on surveillance tape leaving the murder scene is the only one charged. 23-year-old crystal Cortes has not yet entered a plea but police say she's confessed to conspiring with the ex-girlfriend. This morning, police are still trying to find the gunman and now trying to figure out if a jilted lover masterminded the murder. For "Good morning America," Ryan Owens, ABC news, Dallas.

This transcript has been automatically generated and may not be 100% accurate.

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