S4 E1 • Island of Lies

It's up to one detective to get a victim's family some justice.

Première diffusion : 11 octobre 2011

S4 E2 • Unnatural Causes

An 84-year-old is brutally raped and murdered in her senior living community.

Première diffusion : 18 octobre 2011

S4 E3 • Road to Murder

A runaway is found raped and strangled to death on the side of a San Diego road.

Première diffusion : 25 octobre 2011

S4 E4 • In Plain Sight

In Colorado, investigators question a man with a criminal past after his wife is found raped and strangled to death.

Première diffusion : 1 novembre 2011

S4 E5 • Friend or Foe

In Nebraska, a man returns home to find his mother and father shot to death, while nothing of value is missing.

Première diffusion : 15 novembre 2011

S4 E6 • Shot in the Park

When two men are gunned down in Minneapolis, an anonymous letter points to the possible culpability of anti-gay group.

Première diffusion : 22 novembre 2011

S4 E7 • The Rolex Murder

A family man is shot in the head.

Première diffusion : 29 novembre 2011

S4 E8 • Home Invasion

A teenage girl is found raped and murdered in her home.

Première diffusion : 6 décembre 2011

S4 E9 • The Day the Music Died

A single mother is savagely beaten while sleeping.

Première diffusion : 14 décembre 2011

S4 E10 • The Lost Boy

Six-year-old Adam Walsh is abducted from a department store and later found murdered, prompting his father, John Walsh, to become an advocate for victims' rights and fostering the formation of the National Center for Missing & Exploited Children.

Première diffusion : 20 décembre 2011