Catching Killers - Season 1

Season 1
Episodes

DNA Profiling
DNA testing was originally used only to determine paternity, until a brutal murder in England changed everything.

Fingerprints
One crime baffled a small Argentina town; the other held the entire state of California hostage. The thread that links these two cases occurring 100 years apart: both murderers were done in by their own hand. Specifically, by their fingerprints. Witness the breakthrough moment in 1892 when fingerprinting was first used to track down a child killer and see how the evolving science helped thwart a coldblooded serial killer a century later.

Skeletal Secrets
How do you catch a killer? Sometimes, the evidence is hidden in the victim's bones. Discover how forensic anthropology solved the case of the Killer Clown and shut down the Sausage King of Chicago.

Insect Evidence
Two grisly murder cases, years apart, appear to have little in common at first glance. A California family found brutally murdered in 2003 and two dismembered bodies discovered in Scotland in 1935. Upon closer investigation, they share the same silent witness: insects. Examine these two landmark cases where forensic entomology helped convict a killer.

Proving Poison
A rash of unexplained deaths at a Northport, New York hospital in the 1990s and the suspicious death of a wealthy businessman in the 1840s have one thing in common: poison. These sensational cases, 150 years apart, are landmark moments in the history of forensic toxicology. Join our investigation as scientists, detectives and criminal historians trace the poisonous compounds and indispensable tools of crime fighting.

Smoking Guns
Revisit two criminal cases where ballistic evidence played a key role in determining the fate of its suspects. First, Charles Stielow, a man sentenced to death for a 1915 murder, is absolved thanks to a pioneering investigation. Then, after a harrowing 22-day span in 2002, detectives in Washington D.C. finally crack the case of a sniper, relying on bullets taken from the victims' bodies.
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