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Detectives in major cities in the United States race against the clock in the wake of homicides, knowing that if they don't find a lead within the first 48 hours, their chances of solving a case are cut in half. The programme shows how detectives use forensic evidence and witness interviews to help identify suspects.
Leads run dry after a retired police captain is murdered at a Miami marina. Support at channel4.com/support. - Scenes and descriptions of homicide
Can witnesses ID a masked café killer? Shots ring out on a sunny Miami street. Support at channel4.com/support. - Scenes and descriptions of homicide
Brother's Bread/Into the Woods: A man says his killer's name. (S12 Ep3) Support at channel4.com/support. - Str language/graphic images/homicide/may distress
Last Words/Nowhere to Hide: A killer shoots the wrong target. (S12 Ep4) Support at channel4.com/support. - Str language/graphic images/homicide/may distress
Hit List/Hand in Hand: A victim may have been on a hit list. (S12 Ep5) Support at channel4.com/support. - Str language/graphic images/homicide/may distress
Love Her Madly/Off Track: Is a 911 caller a witness or suspect? (S12 Ep7) Support at channel4.com/support. - Strong lang/graphic images/homicide/domestic abuse
Blood Alley/Bad Deal: A hit-and-run in a quiet alley kills one. (S12 Ep8) Support at channel4.com/support. - Graphic & bloody real homicide scenes may distress
The Chase/One Shot: Two are seen fleeing a shooting - are they the killers? (S12 Ep9) Support at channel4.com/support - Graphic & bloody real homicide scenes may distress
Two are found dead at an abandoned house. (S12 Ep10) Support at channel4.com/support. - Graphic & bloody real homicide scenes. Drug refs
A good Samaritan is shot while intervening in a robbery. (S12 Ep15) Support at channel4.com/support. - Graphic details from real homicide scenes
Hot Lot/Blind Faith: A scrapyard and a motel room become crime scenes. (S12 Ep14) Support at channel4.com/support. - Graphic & bloody real homicide scenes, drug refs