Parents say they fear for their family's lives, as 15-year-old Madison assaults them, uses drugs, and was in a high-speed car chase that ended in the car being totaled.

Part one of a three-part interview with 29-year-old Burke Ramsey, brother of child murder victim JonBenét Ramsey.

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Tabitha says she has no problem with her husband Gary being a self-proclaimed ``virtuous pedophile''; his former foster daughter, who was just 10 years old when she lived with Gary, comes face to face with him and makes some shocking accusations.

Marcedes, a wife and a mother of two, recently revealed on social media that she was leading a double life as an escort; her husband just learned that he is not the father of their younger child -- Marcedes' former client is.

Lauren struggles to regain control of her life after being held captive and tortured by her mother and stepfather from the ages of 2 to 8 years old and now suffers from flashbacks, nightmares and night terrors.

Blake tells of being the older sister of a child kept captive and abused by their mother and stepfather for six years and says she has carried guilt for not rescuing her little sister.

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Kalli, 19, dates older men for money and gifts, and her family fears for her safety, saying she also shoplifts and has disturbing fantasies about torture and control.

Josh says he has very specific and high demands for his future wife, Rebecca, and she is not ready to walk down the aisle yet; Rebecca says Josh is too controlling and feels nothing she ever does is good enough for him.

Marna, who admits she's a liar, reveals to Dr. Phil the outrageous falsehoods she says she's been telling everyone, including her fiancé, Mark; the secret that shocks everyone -- including Dr. Phil.

Calah Waskow, 15, made national news when she was abducted by her friend's 37-year-old father; Calah was found safe five days later, but many questions remained; Calah tells her story in an exclusive interview.

The teen who said she was pregnant with baby Jesus, swore Eminem was her father and said she was a contestant on ``American Idol'' has been in treatment, but her family says she may be more delusional and paranoid than ever.

Haley, the teen who was convinced she was pregnant with baby Jesus, now says she realizes her pregnancy wasn't real, but she still hears voices.

Suzanne's manipulative, mooching young boyfriend was online friends with her twin sister, who passed away, leaving him some big-ticket items in her will.

Inconsistencies pile up in the saga of young Ryan, his girlfriend, Suzanne, and her twin sister's will; Dr. Phil uncovers a massive secret that changes everything.

Joelle says her 28-year-old former high-school cheerleader daughter, Kaitlin, is now six months pregnant with her third child and addicted to heroin; the young woman's sister blames their mother.

Following her heated appearance last year, 13-year-old Danielle unexpectedly became an overnight social media star after she told the “Dr. Phil¨ audience to “cash me ousside, how bow dah;” why her mom is asking for Dr. Phil's help once again.

Kala Brown, who made national headlines when she was discovered alive two months after she mysteriously disappeared in South Carolina, speaks out for the first time in an exclusive interview about her life in captivity.

After spending more than two months locked in a metal storage container, Kala Brown continues to tell her story of captivity, her fight to survive and her dramatic rescue.

Blake, 26, throws his college education to the wayside to sit around all day and smoke pot in the rent-free house his mother has put him up in; his mother and sister say he is verbally abusive, disrespectful and refuses to work.

Dr. Phil's team uncovers Brittany's history of harassing men and fabricating pregnancies, births and even infant deaths; her former friends and one of her exes make additional accusations.

After Dr. Phil tells Brittany what his team has learned about her and asks her to prove she is pregnant, she storms off the stage and has an emotional backstage conversation with him.

Ralph denies that he sexually molested his stepdaughter and granddaughter and agrees to take a polygraph test.

An interview with a Texas man who shot a neighbor after an altercation in his driveway.