"I have faith that this will be solved, I just don’t know when, but the longer it goes on, the harder it is," Missy's husband, Brandon, told NBC News

Family of Fitness Instructor Mysteriously Killed in Church Speaks Out as Case Remains Unsolved

Detectives have been investigating the 2016 killing of Texas fitness instructor Terri “Missy” Bevers for two years but apparently aren’t any closer to making an arrest, her family tells NBC News.

Bevers’ husband and three children spoke out in an interview on Saturday on the Today show, two years after the 45-year-old was found unresponsive on the floor of a Midlothian church, where she taught an early-morning class.

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Soon after her death on April 18, 2016, investigators released video footage of the suspected killer dressed in SWAT gear while walking through the church. Police have asked local residents to take particular note of the person’s unusual gait.

Authorities have investigated more than 1,600 tips since the slaying but have not released a motive, according to NBC. They also don’t know if Bevers’ killer was male or female.

Bevers’ husband, Brandon Bevers, told NBC News’ Kerry Sanders last week that he can’t believe the case remains unsolved.

“I thought within days of Missy’s murder that somebody would have been apprehended and I never imagined it taking this long,” he said. “My primary concern at that point was making sure that my children were emotionally taken care of, and they were. I’m absolutely surprised at how far they’ve come in two years — not to mention what they’ve had to live with.”

Image zoom Terri “Missy” Bevers Courtesy Bevers Family

Still, the widower remains hopeful for an arrest.

“I have faith that this will be solved, I just don’t know when, but the longer it goes on, the harder it is,” he explained.

Missy’s three daughters, who also spoke to NBC, have been irrevocably changed by the loss of their mother but are handling it in their own ways, Brandon said.

Sarah, 10, admits she has “tough times” but finds the strength to “work them out,” and 17-year-old Hannah said Missy “was probably the biggest role model that anybody could ever have.”

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Allison, 15, recently auctioned off a prize-winning hog to raise $15,000 to go toward the reward money being offered for information that leads to an arrest in Missy’s case. When police told her they could not accept the money, Allison donated it to children with special needs — a cause close to her mother’s heart.

“She’s definitely an inspiration to me,” Allison told Sanders.

Midlothian Police Assistant Chief Kevin Johnson reportedly said they are committed to tracking down Missy’s killer.

A reward of $50,000 is being offered for any information that leads to an arrest.