Billy Joel's Daughter's Alleged Stalker Arrested Naked in Woods

The singer's daughter, 27, was so scared of her Facebook stalker she wouldn't leave the house.
2:28 | 04/15/13

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Transcript for Billy Joel's Daughter's Alleged Stalker Arrested Naked in Woods
Now to the bizarre story that has billy joel and paul McCARTNEY TEAMING UP. It's to protect billy joel's daughter who is being targeted by a stalker. Reporter: Joel's daughter was reportedly afraid for her life when the facebook messages kept coming in. SIR paul McCartney's advice helped lead police to a suspect. ♪ notice me ♪ Reporter: In her 2010 single, alexa ray joel may beg for someone to notice her. It now appears she's the focus of some seriously unwanted attention online. The 27-year-old daughter of singer billy joel and supermodel christie brinkley was reportedly being stalked by this woman for months. Cheryl findlay is accused of using a fake facebook account to send messages of rape, assault, and murder to an unnamed victim. High-profile, particular ly celebrity people all get stalked. Typically, through e-mail. Sometimes by telephone. Some rise to the level of this particular one. Reporter: "The new york post" reports the messages had frightened her so much she refused to leave her apartment. Her father hiring body guards and a british cyber security firm recommended to him by paul McCARTNEY. When police arrested finley, thound her naked in the woods. The 40-year-old reportedly has a history of mental health issues. Many of the celebrity stalkers are driven by delusion, a delusion that they have a relationship with a famous person or they desire one. You have to separate the vile, violent words to the ability of the person to actually carry them out. ♪ Notice me ♪ Reporter: Finley faces up to five years in prison. Joel is promoting her work on facebook. Finley has pleaded not guiltyo stalking charges. She'll face a judge in a few the joel family is not commenting on the new reports.

This transcript has been automatically generated and may not be 100% accurate.

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