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MEMPHIS, Tenn. -- A Memphis woman is behind bars after police said she told her cousin and his friends to rob and kill her ex-boyfriend.

Police arrested 21-year-old Sandra Gray on charges of conspiracy to commit aggravated robbery and conspiracy to commit first-degree murder.

Family members said her cousin, 26-year-old Kenneth Gray, also known as "Lil Kenny," is also wanted.

Sandra Gray is now at 201 Poplar; family said police surrounded their house on Monday, and she was arrested. Her bail is set at $50,000.

However, her family said she did nothing wrong.

"You got her sittin' down here on some serious charges on something she didn't do," said Keisha Gray, Sandra Gray's sister. "She gonna get the most time because they makin' it seem like she actually did it! She plotted this thing up!"

Frustration in her voice, Keisha is adamant her sister shouldn't have her mugshot taken on Monday.

"It don't make no sense!"

According to police, last Wednesday Sandra's ex-boyfriend went to her home on Faxon Avenue in North Memphis. Police said the victim left with his 1-year-old son.

A few blocks away on Ayers, right next to a school, he claims black SUVs blocked in his car. Police said several men, including Sandra's cousin Kenneth Gray, armed with an AK 47, surrounded the car.

The victim said he was pistol-whipped in the face several times, and Kenneth told him Sandra sent them. The victim said Kenneth took his son, along with $2,000, then shot at him.

The victim also said Sandra Gray called him minutes later saying, "You ain't dead yet?"

Sandra Gray's family acknowledges the victim came to their house.

"Did nobody touch him, did nobody do nothing to him," said Keisha.

On Tuesday while WREG was at the house on Faxon, the drama continued.

The victim showed back up with a black eye and with police. He said it was to get his child, but the child was never removed from the home. The family said they're now doing all they can do get Sandra out of jail.

"We gotta get my mama, my sister, me, my girlfriend, everybody just gotta go down there and make a report," Antonio Gray, Sandra's brother, said.