Texas Murder Victim's Family Speaks Out

Missy Bevers' mother-in-law says she believes Bevers' killer may have tracked her movements on social media.
2:30 | 04/26/16

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Transcript for Texas Murder Victim's Family Speaks Out
We'll begin with new details in that chilling murder of a fitness instructor at a Texas church. The suspect seen on that surveillance tape dressed in swath gear and the victim's family is now speaking out. ABC's Ryan smith has the latest. Good morning, Ryan. Reporter: Good morning, George. You know, you talk about Missy Bevers, the mother of three, killed but at the same time her family now coming forward speaking out asking those who know the killer to please come forward and turn that person in. Was this masked murderer caught on camera ominously dressed in tactical gear targeting fitness instructor Missy Bevers? This morning as the manhunt intensifies her family says they believe it just wasn't a tragic case of being in the wrong place at the wrong time. Bevers' mother-in-law, Marsha tucker says she believes the killer may have tracked the fitness instructor's movement on social media. The person probably knew by looking at her Facebook just seeing what time, that's how she showed her other boot campers, you know, what time the classes started, whoever knew she gets there early, they got there earlier. Reporter: The 45-year-old was last seen entering this church at 4:20 A.M. On April 18th. Setting up for a boot camp class. The suspected killer caught on surveillance video at 3:50 A.M. Dressed head to toe in police S.W.A.T. Gear. Students for her 5:00 A.M. Class discovering her murder. I can't tell whether the person is a man or woman. The police estimate the person is six foot tall but if you look at the mannerisms, how they walk, there's something distinctive there. Somebody has to be able to point this out. Reporter: But more than a week later, police aren't releasing any new leads or motives. The beloved wife and mother laid to rest on Saturday. Her family pleads for the killer to come forward. Tucker writing him or her an open letter on Facebook. You know who you are. Your husband, wife and family members know who you are. They know by your special walk. Give some honor back to your family. God will forgive you and we will forgive you. Now, Marsha says that Missy's daughters are doing better than expected. But that they're asking her how long they will be sad. She hasn't heard from police but she says she trusts them to do their job. As for the killer she says the anger is still there but that the family will, quote, forgive them in time. Got to be hard, though. Okay, Ryan, thanks very much. Thank you.

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

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