These are scary. TMZ has reported that Jen has filed a restraining order for

“a man who was arrested after prowling around a place she frequents.”
After being arrested, the 24-year-old Peyton was placed on a 5150 psychiatric hold. He is still being held.

Read more at TMZ

And Gossip Cop has further information from Jens reps that:

“Contrary to some reports, Peyton was never prowling at Aniston’s home or anywhere near her home, her rep assures Gossip Cop, explaining that the order “was granted to protect her should he try to go to her home or anywhere she might be.”

Read more at GossipCop