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Jeannine Risley allegedly overturned furniture in the middle of the night to fake signs of a struggle after being told that she was going to be fired.

She claimed she was asleep in a guest annexe of her boss' home when a booted man pulled her out of bed and raped her at knifepoint.

However, police who examined her wrist-worn Fitbit fitness monitor - which includes people's vital signs and data about their movements - said it showed she had been awake and walking around at the time of the alleged attack.

A court in Florida heard how police who rushed to the home in March following a 911 call fund overturned furniture, a knife and a bottle of vodka.

The 43-year-old later told authorities an unknown man had pulled her out of bed at around midnight, attacked her in a bathroom and raped her at knifepoint, according to court documents.