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Bajan singer Rihanna is being stalked by a deranged lunatic who lurks outside her NYC apartment at all hours. A NY judge is concerned that Kevin McGlynn will murder the 26-year-old singer.

On Friday, Judge Orlando Marrazzo ordered McGlynn to stay away from Rihanna’s Tribeca apartment building. Rihanna has also beefed up her security — one of whom reportedly carries an UZI-type machine gun just like the Secret Service.

From PopDust.com:

The 43-year-old homeless man was allegedly caught on video surveillance on three separate occasions this month hand delivering threatening notes to a Rihanna employee, according to court records.

In the letters, McGlynn “repeatedly called [Rihanna] a bitch,” and threatened to “bum (rush) in her apartment,” according to the criminal complaint. Authorities claim the 54-year-old also sent at least four other threatening letters to Rihanna’s home in California.

In a truly chilling courtroom moment, the New York City judge compared McGlynn to Mark David Chapman, John Lennon‘s killer.

On December 8, it will be 34-years since Chapman gunned down The Beatles legend in broad daylight, outside his Manhattan home, which is located approximately 80 blocks from where Rihanna now resides.

The judge added that McGlynn is a “ticking time bomb who is wholly fixated on [Rihanna] and poses a direct threat of serious physical harm or death to her and anyone around her.”