halle berry*As you know, Halle Berry is seeking permission to move to France with her fiancée, Olivier Martinez,  and daughter Nahla. But of course, it’s something Halle’s ex, Gabriel Aubry, is trying to block.

TMZ says there have been and are serious threats to Halle’s life and she feels the move is a life or death situation.

Law enforcement sources tell us  … Robert Hoskins, a mentally unstable man, escaped from a mental institution last week.

We’ve learned he has made threats against Halle’s life — specifically to “slit her throat.”

Hoskins is no stranger to the law — he has threatened to slit Madonna’s throat in the past and was actually shot by her bodyguard in 1995 after he trespassed onto Madge’s property.

And as we first reported, another stalker who recently trespassed onto Halle’s property multiple times has just been released from jail.

Friends of Halle tell us … she is particularly concerned because Starmaps and some Hollywood bus tours literally take tourists to her doorstep.

And Halle’s friends say … the actress is very concerned that baby daddy Gabriel Aubry is parading Nahla in front of paparazzi almost daily and possibly putting her in harm’s way.

Bottom line — Halle’s M.O. for wanting to move is rooted in security … not revenge.