DALLAS -- Police have identified a woman fatally wounded Sunday night in the parking lot of Medieval Times in Dallas.

Authorities say Martha Teran, 42, was shot at about 6 p.m. Teran was transported to a nearby hospital, where she was later pronounced dead.

Family tells News 8 Martha Taren's daughter wanted to sell her iPhone 7 and had used an app called “Offer Up” to find a buyer. Police documents show the people who claimed to be buyers shot and killed Martha Teran during the exchange.

Teran’s family said Monday there were likely three suspects and when they contacted Teran through the app, they initially wanted to meet at another location. She refused and instead met them in the parking lot outside of Medieval Times just off of Interstate 35.

According to the victim’s family, the shooting happened within seconds and Teran’s daughter was a witness. They say there was little-to-no communication before shots were fired.

The suspect or suspects fled the scene after the shooting. Police have not released a suspect or vehicle description.

Friends, colleagues, and neighbors we taken aback by Teran's shocking murder.

"[She's a] good person... Very, very good person,” Tomas Cerrato said. “She's been my neighbor for 14 years.”

Tomas says he just saw her some time ago and he says the family was very pleasant. Teran had been a realtor working with Gilchrist & Company for nearly two years.

"It's tragic news,” Tom Gilchrist said. “We're all shocked.”

Gilchrist says Teran worked in commercial and residential real estate.

"She had good people skills, always happy,” Gilchrist said. “Just a smart gal, and eager to please.”

Everyone News 8 spoke with talked also mentioned Teran’s dedication to her kids, including her final act of trying to help her daughter sell a phone.

Dallas police have reached out to the public in their search for a suspect. They ask that anyone who may have information pertaining to the crime call Det. Scott Sayers at 214-671-3647, or email scott.sayers@dpd.ci.dallas.tx.us.

You can also call Crime Stoppers at 214-373-TIPS. Crime Stoppers offers awards up to $5,000 for information that leads to an arrest and indictment.

Teran's family has set up a GoFundMe page to help with funeral costs. Go here to donate.