Family of Taylor Casey calling on FBI to help find Chicago woman missing in the Bahamas

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The family of a Chicago woman missing in the Bahamas is pleading for more support from the American government.

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It's been nearly two weeks since anyone has seen or heard from 41-year-old Taylor Casey.

"If Taylor was OK, I would have gotten a call by now. I would have gotten a call from Taylor by now, and that's why I kind of feel like Taylor's not OK," said Taylor's mother, Colette Seymore.

Casey was last seen June 19 at a yoga retreat on Paradise Island.

"A young lady called me and said, 'Have you heard from Taylor?' And I'm like, 'I'm looking at the phone, because I know this. She was from the yoga retreat,'" Seymore said. "Then she said Taylor hasn't showed up for yoga classes."

Casey's mother traveled to the retreat last week, but said her visit was "deeply unsettling."

"I just felt like they didn't care. They didn't care at all," Seymore said.

Emily Williams, one of Casey's friends, traveled with Seymore to the yoga retreat on Paradise Island, where Casey was last seen, hoping to get answers.

"That was a really difficult moment. It was really infuriating. We couldn't accept that, we couldn't accept that," Williams said. "This is not the kind of situation that anyone wants to be in and we just came in knowing that we needed to advocate for Taylor and knowing that we needed to find out what had happen."

Seymore said she had to beg to talk to students at the retreat, and said it felt like the students "were told what to say and what not to say."

Her mother said she did not see any missing-person posters.

"They got a missing persons wall - why isn't Taylor on it?" Seymore said.

Despite authorities saying they've spoken to "a number of people," and deployed drones, divers, and a canine unit, the mother said it feels like the bare minimum.

Now they're calling on the FBI to step in, saying without their support, they may never know what happened to her.

"Without U.S. government support, we may never find out what happened to my Taylor," Seymore said. "As any mother would know that's your child. That's my daughter. That is my daughter and I love her want to see her again I feel like this should have never happened."

Police found Casey's cellphone in the ocean last week, but the family said authorities refuse to turn over the phone.

READ ALSO | Chicago woman's cellphone found 1 week after she went missing on Paradise Island in Bahamas

"We love Taylor and Taylor needs to be back home with Taylor's family," her mother said.

The family said Taylor would never just "take off" without telling them.

The police requested people at the yoga retreat for statements regarding Taylor but would not specify whether any were interrogated.

The police reportedly refused to inform the family's team how many statements they had collected and the names of those participants.

According to Ram Soskin, the lead manager of the Sivananda Ashram Yoga Retreat, the Monday before Casey's disappearance, an unidentified man with a walkie-talkie was seen walking the same platform where Taylor's tent was located.

RELATED | Family of missing Chicago woman Taylor Casey joins search effort in Bahamas

One of the retreat's participants who the Find Taylor Casey team spoke to said that Casey was approached while sitting alone at the beach by a stranger the same day she was last seen.

The man was wearing a Celtics baseball cap and dressed in all black. He claimed he was from Chicago and was interested in taking a yoga class. He proceeded to follow her onto the property, according to the website created to help find Taylor Casey. A donation page is set up here.

Instagram account dedicated to finding Casey: @findtaylorcasey

Facebook account dedicated to finding Casey: Find Taylor Casey

ABC7 Chicago contributed to this report.