Missouri woman sentenced in connection with aggravated robbery

A Missouri woman has been sentenced to six years supervised probation for residential burglary in connection with an aggravated robbery in Summit in 2017. Online court records indicate 26-year-old Mariah Piatchek of De Soto was sentenced under a negotiated plea during a March appearance in Marion County Circuit Court.

In addition to the felony count, Piatchek received one year of probation on a misdemeanor theft of property charge. Under the terms of the negotiated guilty plea, a felony count of aggravated robbery will be dismissed. However, the charge could be refiled within one year, if the Missouri woman does not agree to testify in cases against her co-defendants.

At the time of the arrest, Marion County Sheriff Clinton Evans said the incident involved three individuals in the Summit altercation.

Deputies arrived at a residence where victims said they had been beaten and robbed at gunpoint by a woman they identified as Piatchek and two other individuals, one black male and another individual wearing a hoodie and gloves.

While Piatchek and the black male conversed with the victims, the other individual came through the door with two handguns and began demanding money. Both victims said they were "pistol whipped" and received serious injury.

All three suspects left the residence in an unknown direction, in an unknown vehicle before deputies arrived. The suspects took a handgun, money and a cellphone.

Sheriff's investigators tracked Piatchek to an address in De Soto, where Jefferson County Sheriff's officers took her into custody.

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