FBI joins search for missing mom, 21, whose son, two, was found wandering alone ...

The FBI has joined the search for a missing mother whose two-year-old son was found wandering alone in a Florida parking lot 10 days ago. 

Leila Cavett has not been heard from since little Kamdyn Cavett was found wearing only a t-shirt and a diaper in Miramar on July 26 by a concerned member of the public. 

Cavett lives in Atlanta with her young son, while the rest of the family lives in Jasper, Alabama. The family said Cavett does not have any known ties to South Florida and they are desperate for answers.

She was last seen on July 25 driving a mid-to-late 90s white Chevy 3500, with a red tailgate and a 'Baby on Board' sign on the passenger window. Police say that vehicle was later found on July 28, abandoned in , Florida. 

Miramar Police Department had said 'they are 'concerned for her [Leila's] safety and well-being.'  The family's attorney said: 'Police have stated she was possibly in the Fort Lauderdale beach area before her disappearance in the company of a Black male.'

Cavett's sister, Gina Lewis, said in a Facebook post: 'Please help me find my sister my heart is breaking.  I cannot breathe.'   

Leila Cavett, right, has not been heard from since little Kamdyn Cavett, left, was found wearing only a T-shirt and a diaper in Miramar on July 26 by a concerned member of the public

Leila Cavett, right, has not been heard from since little Kamdyn Cavett, left, was found wearing only a T-shirt and a diaper in Miramar on July 26 by a concerned member of the public

Leila was last seen on July 25 driving this mid-to-late 90s white Chevy 3500, with a red tailgate and a 'Baby on Board' sign on the passenger window. Police say that vehicle was later found on July 28, abandoned in Hollywood, Florida

Leila was last seen on July 25 driving this mid-to-late 90s white Chevy 3500, with a red tailgate and a 'Baby on Board' sign on the passenger window. Police say that vehicle was later found on July 28, abandoned in , Florida

Another sister, Tyuania Cavett, added: 'Every day that goes passes she could be in more and more danger and we just don't even know it. We have no answers. We cannot get a hold of her in the slightest.'

Her father Curtis Cavett told CBS: 'He's everything to her. Kamdyn is her life. That's the love of her life. She's never going to leave him, never.' On Monday Curtis said his daughter may have

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