Police are desperately searching for a woman who appears to be in need of help, captured on security cameras ringing doorbells in Sunrise Ranch, Texas

The woman went door-to-door without pants or shoes on at 3am Friday

She was captured on one resident's security camera and seems to have broken restraints, possibly handcuffs on her wrists

The sister of a woman who vanished in January after telling her family she was going to Midland, Texas, tells DailyMail.com that is her sister in the video

Caitlin Denison's sister, Rachael, says she has identified Caitlin's tattoos in the footage in the footage and she was just pregnant when she vanished

The sister of a woman who went missing in January believes she is the half naked woman captured on a home surveillance camera frantically ringing doorbells at 3am in Sunrise Ranch.

Rachael Denison tells DailyMail.com that her sister, Caitlin Denison, 19, who went missing in January, was one or two months pregnant when she disappeared. The woman in the video appears to possibly be pregnant.

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Caitlin told her family she was flying from her hometown of Reno, Nevada, to Midland, Texas, with a man she had just met. Her family doesn't know his name, and the last thing Caitlin told her sister was 'This guy makes me scared for my life.'

In a review of the surveillance footage released by the Montgomery County Sheriff's Office, her sister says she believes she has identified Caitlin's various tattoos.

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Pregnant? The woman in the chilling footage looks like she very well could be pregnant, and the sister of a missing 19-year-old woman reveals her sister was one or two months pregnant when she went disappeared in January

A closer look at the surveillance video reveals what could be a tattoo on the woman's middle finger as well as a faintly appearing marking that could be a tattoo on the woman's forearm

Is the woman who looks to be in need of help in the haunting footage Caitlin Denison? Her sister believes the woman is her missing pregnant sister

Caitlin's sister shared this image of what her sister's forearm tattoo of the Libra scales looks like

Caitlin has a tattoo on her middle finger, and although the security footage is grainy there does appear to be one in the same location on the woman in the video.

Additionally, Rachael tells DailyMail.com 'I have come to believe that this is my sister due to a tattoo that she has of the Libra scales on her arm.'

In the footage there is a faint image of what could be a tattoo on the woman's arm as she reaches for the doorbell.

Rachael remains hopeful, emphatically stating 'It is her!'

She also says she is in touch with the police.

'Caitlin could he brought home. The similarities are too much to miss. Please. I want my sister home so badly,' Rachael adds.

In January, Caitlin was described as being 5' tall and weighing 120 pounds with blue eyes and blonde hair.

The chilling video captured the attention of police in Texas showing a woman who appears to be in need of help, ringing doorbells in the middle of the night with restraints on her wrists.

The woman is seen on resident Jennie Drude's security camera, who shared the video to Facebook and with police. The woman seems to be walking quietly up to the door of the home with what appears to be some sort of restraints on her wrists, with no pants or shoes on.

The woman was ringing doorbells in the Sunrise Ranch area of Montgomery, Texas at around 3am on Friday August 24, but by the time the residents reached their doors, the woman was gone.

As the woman rings the doorbell she appears to look down the block nervously, as if she fears being discovered.

The woman is seen on a resident's security camera, around 3am Friday approaching the door with no pants or shoes on. She has now been found safe.

In the short video that was captured by Jennie Drude's home security camera the woman appears to be quietly approaching the door

The woman appeared to be in need of help- and now the cops in Sunrise Ranch, Texas are asking the public if they have any information

After she rings the doorbell, we get a better look at her face's profile as she appears to look nervously down the block

Jennie Drude's home security camera captured the chilling video of the woman who was ringing doorbells in Texas

In the short clip the woman is seen emerging from behind a bush, she seems to be trying to be quiet, and she reaches for the doorbell.

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There appears to be what may be restraints on her wrists. Drude described the woman as appearing to be out of breath from what she could see on her home's surveillance video.

Another resident, who did not want to be identified, told Click2Houston, 'We were dead asleep in our beds. My husband was woken up by doorbell ring. It rang probably 20 to 30 times.

By the time her husband answered the door, no one was there.

'He walked outside no one was in sight. It's like she disappeared in thin air,' the resident said.

'It was kind of scary because this girl looked like she was just in a shirt. She looked like she had wrist restraints on her wrist and she was barefoot. You can see her with a worry on her face looking around,' the resident said.

She rang on at least five residents' doorbells in the area.

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No one in the tiny community recognizes her from the neighborhood.

Police canvassed the area and went door-to-door to speak with residents. They are also reviewing other security footage from the area.

The area surrounding the rear of the small neighborhood is densely wooded.

Law enforcement canvassed the neighborhood, conducted a door-to-door check interviewing residents, and is currently reviewing surveillance camera footage from the area, the Montgomery County Sheriff's Office said.

The chilling video was taken in the quiet neighborhood of Sunrise Ranch, Texas on Friday

The Sheriff's Department Wednesday responded to a report of suspicious shots fired in the tiny neighborhood of Sunrise Ranch where the woman was seen ringing on a doorbell Friday at 3am. It is unclear of the two incidents are connected

As of Tuesday morning, the Sheriff's office tells DailyMail.com 'We have nothing new. Detectives are currently investigating. We have not confirmed the identity of the woman.'

The Sheriff's office did not reply to numerous follow-ups Wednesday regarding the possibility of the woman in the video being missing 19-year-old Caitlin Denison.

'Numerous citizens in the state and outside have sent missing persons flyers suggesting the women in the video is a missing person from their area' the Montgomery County Sheriff's Office said, according to ABC News.

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The Montgomery County Sheriff's Office is calling on anyone with information about the woman to contact them at 936-760-5800.