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Detectives around the country race against the clock, knowing that if they don't find a lead within the first 48 hours, their chances of solving homicide cases are cut in half.
  • Marked for Death
    Episode 145 mins
    A married man with four young children gets robbed and shot to death outside an abandoned house.
  • Winter Games
    Episode 245 mins
    A shooting in a snow-covered field presents challenges to investigators.
  • Off the Tracks
    Episode 345 mins
    A rookie homicide detective probes the case of an unidentified man found dead near a railroad track.
  • Underworld
    Episode 445 mins
    Homicide detectives probe the case of a man found beaten to death underneath an interstate.
  • One of Ours
    Episode 543 mins
    A retired police captain is killed in Miami and the manhunt extends to New Jersey.
  • Left to Burn; Trigger Happy
    Episode 644 mins
    Firefighters discover a stabbed woman in a fire; a parking lot contains shell casings and a body.
  • Thicker Than Water
    Episode 744 mins
    A witness is murdered before his court date.
  • Waterworld
    Episode 840 mins
    Two murders may be related to a homeless encampment known as Waterworld.
  • The Slip; Pure Victim
    Episode 944 mins
    Execution-style double homicide; an elderly woman is shot while unloading groceries.
  • Terribly Wrong; Settling the Score
    Episode 1044 mins
    A clerk is shot by a masked man; a murder victim's friends seek to retaliate.
  • Final Call; Fatal Fury
    Episode 1143 mins
    A woman is stabbed in her bedroom; a father is gunned down after telling a crowd to quiet down.
  • Street Law; Standing Up
    Episode 1243 mins
    A victim of a drive-by shooting is actually the founder of a street gang; a teenager is shot.
  • Dying Declaration; One Last Score
    Episode 1244 mins
    Probing the murder of a man in a wheelchair; a Charlotte, N.C., man stabbed to death in his car.
  • Southwick; Devil's Doorway
    Episode 1444 mins
    Two murder victims have matching tattoos; a man is gunned down in an apartment doorway.
  • Bad Company
    Episode 1544 mins
    Las Vegas detectives investigate the death of a man found on a deserted highway.
  • Night Out; One Gram
    Episode 1642 mins
    A bystander is murdered when a brawl turns into a gunfight; shooting victim's 911 calls hold clues.

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