A psychiatric patient who has allegedly threatened Halle Berry's life has escaped from a U.S. mental institution.

Robert Hoskins, who has reportedly vowed to "slit her throat," managed to evade security at an undisclosed mental hospital last week and is now on the run.

He previously made a similar threat to Madonna and was shot by the singer's bodyguard in 1995 after he was caught trespassing on the Material Girl's property.

Berry filed legal papers earlier this week asking a judge to permit her to relocate from Los Angeles to her French fiance Olivier Martinez's home country with her daughter Nahla.

According to TMZ, her request to move was prompted by Hoskins' escape and the recent imprisonment of Richard Franco, another man who was accused of stalking the actress last summer.

Franco was sentenced to 386 days behind bars and five years probation in January after pleading no contest to stalking. He is also banned from going anywhere near Berry until 2022.

Her ex-boyfriend, Gabriel Aubry, who is also the father of her three-year-old child, has opposed the move and a hearing on the matter is pending.

The actress also sought to ban Aubry from contacting Nahla last month after former nanny Alliance Kamdem accused the male model of shoving her against a door while she was holding the child. The former couple has been locked in a bitter battle over Nahla since they split in 2010.