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Michigan teen gets 10-20 years for plot to kill family

DETROIT- A Michigan teenager was sentenced Monday to 10 to 20 years in prisonafter she stabbed her little brother; and, along with her boyfriend, plotted to kill her family, reports CBS Detroit.

Roksana Sikorski was charged as an adult after investigators said she conspired with her boyfriend, 23-year-old Michael Rivera, to kill other family members so the pair could run away together.

Prosecutors said Sikorski, who turned 17 last week, stabbed her 12-year-old brother multiple times in the throat on Oct. 17, 2014, and tried to stab her sister, while Rivera waited outside, sending Sikorski instructions via text message.

Police said Rivera guided the then 15-year-old girl, advising her on whether the knife she had was enough to do the job. Other messages included a diagram of the neck, instructions to cut it "like a tomato," and to make sure the victims stopped breathing.

The boy's screams alerted family members, who interrupted the 2 a.m. attack. The boy survived, but nearly lost his life, according to police.

Sikorski's attorney, Leslie Posner, said in court that Sikorski's parents believe Rivera convinced their daughter to go along with the murder plot so that he wouldn't face prosecution for having sex with a minor.

Rivera is serving a life sentence for murder and conspiracy. He is also facing criminal sexual conduct charges for his relationship with Sikorski.

The girl apologized prior to being sentenced Monday, and her adoptive mother pleaded for leniency, saying Sikorski wasn't old enough to sign a confession and didn't intend to hurt the family.

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