MIAMI (CBS4) – The U.S. Marshals is looking for a man they say fatally shot his wife in the forehead at a South Florida party they attended in September.

Ramone Clayton and his wife Stephanie were arguing in a yard next to the Miami Gardens home where the party was held when things turned violent.

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Family member say Ramone became angry when he told Stephanie he wanted to leave, and she told him she wanted to stay.

“I was told he dragged her to the ground, then punched her, then went for his gun, and came back and shot her in the head,” said Olive Jones, Stephanie’s mother.

“Ramone Clayton is one of the most dangerous fugitives we are looking for right now,” says Deputy US Marshal Barry Golden.

U.S. Marshals say the Claytons has a history of domestic issues and run ins with the law They say Ramone was arrested for attempted murder several years ago for shooting at a man in an argument over another woman.   Those charges were later dropped.

Stephanie’s mother is now raising the children her daughter left behind, and said she never liked her daughter’s new husband.

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“The first time I saw that guy, I said to my daughter, ‘I hope you are not going to live with that guy,” said Olive Jones.

Stephanie was just 35.  She leaves behind 3 young children from a previous relationship.    Her daughters say they are dealing with it by pretending their mother is on vacation, or working late in the job she held as a mail carrier.

“We gonna grow up without her,” said daughter Crystal Jones. “She’s not here no more and it’s just going to be hard to live without her.”

US Marshals believe Ramone Clayton is still in South Florida.

“Somebody out here knows where he’s at but they’re just not talking,” said daughter Crystal.

The US Marshals are offering up to $20,000 in reward money for information that leads to Ramone Clayton’s Capture.  The number is to call is 877-WANTED2.

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“I would really like for him to be brought to justice because he killed my daughter and she was a wonderful person,” said Jones.