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Chris Hansen confronts a man who calls himself the 'problem eliminator'.

Chris Hansen enters the world of 'real life' vampires.

Amber Hilberling's defense includes a bold assertion; the guilty party in Josh Hilberling's death is not his widow, but the poor-quality window he accidentally crashed through. But the testimony that keeps the courtroom riveted comes when Amber herself takes the stand.

During cross examination, the prosecution challenges Amber Hilberling's claim of self-defense, arguing the 5'5' tall Amber would never have been able to push her athletic, 6'4' 220-pound husband with enough force to cause his fatal plunge. Which side will the jury believe?

Amber Hilberling becomes a widow at the age of 19 when her husband Josh crashes through the window of their high rise apartment and fell to his death. And as she describes Josh's horrible fall to her grandmother, Amber says one word that will change the course of her life.

Chris Hansen meets a woman who listed her own baby for adoption online -- but she's not what she seems.

Amber Hilberlng and her grandmother are alone in an interview room at a police station for almost an hour. They have no idea police are recording their conversation. Then Amber then makes a sudden admission that transforms her into a suspect.

Amber Hiberling, whose husband died from falling of our their 25th floor apartment, says something that will change her life forever.

In a police interrogation room, a distraught Amber Hilberling pours her heart out to her grandmother about the death of her husband, Josh.

The life of newlywed couple Amber and Josh Hilberling is shattered when Josh dies in a horrifying fall from their 25th floor apartment. Was it a suicide, a tragic accident, or something much darker?

Chris Hansen has lunch with a young woman who posted a fake picture online, saying she's looking for a man in his 70's.

Chris Hansen check up on a distributor of the 'pleasure pill'.

Chris Hansen put a 'mobile mechanic' to the test.

Detectives next interview Ruth Pyne's son, Jeffrey, a popular honor student and star athlete in high school, now a biology major in college.

Dateline NBC's Chris Hansen enters the world of 'real life' vampires. Watch the full report 'Wild, Wild Web' on Friday, May 17th, at 8pm/7c.