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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.
Stolen Lives/Family Bonds: A vigilante may be behind a stabbing. (S12 Ep1) 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
Far From Home/Object of Desire: A truck driver is shot in his vehicle. (S12 Ep13) 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
Caught in the Middle: Two are found dead at an abandoned house. (S12 Ep10) Support at channel4.com/support. - Graphic & bloody real homicide scenes. Drug refs
Night Shift/Mobbed: Multiple assailants take part in a violent attack. (S12 Ep12) Support at channel4.com/support. - Graphic bloody real homicide scenes/V strong lang
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
Ultimate Price: A good Samaritan is shot while intervening in a robbery. (S12 Ep15) Support at channel4.com/support. - Graphic details from real homicide scenes
Massacre in Little Haiti/Exposed: Two are killed during a shooting. (S13 Ep8) Support info at channel4.com/support. - Str lang/graphic images of homicide may distress
Deadly Ride/Wrong Place, Wrong Time: Police scour four states for a killer. (S14 Ep3) Support at channel4.com/support - Str lang/suicide refs/real homicide/may distress
A dismembered body is found in a field. (S12 Ep6) Support at channel4.com/support. - Str language/graphic images/homicide/may distress
Innocent Bystander/Partners in Crime: CCTV of a murder muddies the waters. (S14 Ep2) Support at channel4.com/support. - Strong lang/violence/drugs/real homicide/may upset
Blood Red/Deadly Moves: A shocking motive lies behind a shooting. (S14 Ep4) Support at channel4.com/support. - Strong language, real homicide scenes may upset
An escalating street war turns deadly in Miami. (S14 Ep5) Support at channel4.com/support. - Strong language/real homicide scenes/may distress