Lacey claims she hears voices talking to her both outside her home and through the air vents inside the apartment she shares with her ex-husband, Andrew, and their 5-year-old daughter. She calls the voices her “voyeurs,” and claims they’ve been watching her for years.

TELL DR. PHIL YOUR STORY: Chaos in your life?

“I try to tell myself it's not real, obviously, but I just cannot shake the belief,” she says.

WATCH: ‘The Good News Is, You Are Not Crazy,’ Dr. Phil Tells Guest Who Claims She Hears Voices

“She sits there and just talks to people like they are there, but they are not there,” says Andrew on Monday’s episode. He adds, “Even our daughter comes through, and she says, ‘Mom, stop!’”

WATCH: Dr. Phil To Guest: ‘What Is Your Payoff For Embracing The Belief That You’re Being Observed?’

Lacey says she suspects someone has been using electronic surveillance to “bug” their home.

Andrew says he’s looked for the surveillance equipment Lacey says she believes is being used to monitor her and their child, but has he found any evidence to support her claims?

Check here to find out where you can watch Monday’s Dr. Phil

TELL DR. PHIL YOUR STORY: Life in crisis?

Private Eye Investigates Woman’s Claim She’s Being ‘Watched’