S04 Episode 1
Invisible Intruder
A mother claims that an intruder murdered her two sons, but police use blood-spatter analysis and behavioural profiling to reconstruct a different scenario.
21 mins · Wed, 6 Oct 1999
S04 Episode 2
The Killing Room
No body, no weapon, but no problem for a team of investigators who use forensics and detective work to reveal a love triangle turned into murder.
21 mins · Wed, 13 Oct 1999
S04 Episode 3
Ultimate Betrayal
A mysterious house fire kills two family members, and investigators find evidence that points to a cold-blooded plot.
21 mins · Wed, 20 Oct 1999
S04 Episode 4
Cement the Case
A husband confesses to his wife's murder, only to be found not guilty a year later when evidence points to another.
21 mins · Wed, 27 Oct 1999
S04 Episode 5
Innocence Lost
After a five-year-old girl disappears from a neighbourhood Christmas party, forensic investigators close in on a suspect thanks to fibre analysis.
21 mins · Wed, 3 Nov 1999
S04 Episode 6
Til Death Do Us Part
A man in intense pain enters the hospital but what he's being given in the hospital isn't curing him, it's poisoning him.
21 mins · Wed, 10 Nov 1999
S04 Episode 7
Ties That Bind
Police find the killer of two adolescent boys using profiling, hypnosis and a scientific analysis of the rope used during the crimes.
21 mins · Wed, 17 Nov 1999
S04 Episode 8
Body of Evidence
Police exhume the body of a woman to study bite wounds, which eventually lead to the killer.
21 mins · Wed, 24 Nov 1999
S04 Episode 9
Accident or Murder?
A new life-insurance policy sparks suspicions of murder when a woman's body is found at the bottom of the basement stairs.
21 mins · Wed, 1 Dec 1999
S04 Episode 10
Core Evidence
More than a dozen children contract a deadly illness in Seattle, and medical investigators search for a cause and cure.
21 mins · Wed, 8 Dec 1999
S04 Episode 11
Haunting Vision
A woman who survived a deadly childhood fire sends police a letter charging that her father killed her mother 30 years ago.
21 mins · Wed, 15 Dec 1999
S04 Episode 12
With Every Breath
After more than 20 people on an Native American reservation die suddenly from a flu-like disease, Navajo medicine men provide a clue that leads to a most unlikely killer.
21 mins · Wed, 22 Dec 1999
S04 Episode 13
Slippery Motives
A man claims he returned to his hotel room after a run to find his wife drowned in the bathtub, but a life insurance policy raises investigators' suspicions.
21 mins · Wed, 29 Dec 1999
