Real crimes, disease outbreaks and accidents around the world are solved by experts using scientific laboratory analysis which helps them find previously undetectable evidence. Brilliant scientific work helps convict the guilty and free the innocent.
Season 1
The Disappearance of Helle Crafts
S1E1 / 21 Apr 1996
The Magic Bullet
S1E2 / 03 Oct 1996
The House That Roared
S1E3 / 10 Oct 1996
The Footpath Murders
S1E4 / 17 Oct 1996
Planted Evidence
S1E5 / 24 Oct 1996
Southside Strangler
S1E6 / 31 Oct 1996
Legionnaires' Disease
S1E7 / 07 Nov 1996
The Wilson Murder
S1E8 / 14 Nov 1996
Deadly Neighborhoods
S1E9 / 21 Nov 1996
Insect Clues
S1E10 / 28 Nov 1996
Outbreak
S1E11 / 05 Dec 1996
The List Murders
S1E12 / 12 Dec 1996
Raw Terror
S1E13 / 19 Dec 1996
Season 2
The Common Thread
S2E1 / 02 Oct 1997
The Dirty Deed
S2E2 / 09 Oct 1997
Killer Fog
S2E3 / 16 Oct 1997
Sex, Lies & DNA
S2E4 / 23 Oct 1997
Bitter Potion
S2E5 / 30 Oct 1997
The Blood Trail
S2E6 / 06 Nov 1997
Fatal Fungus
S2E7 / 20 Nov 1997
Charred Remains
S2E8 / 13 Nov 1997
Something's Fishy
S2E9 / 04 Dec 1997
Sealed with a Kiss
S2E10 / 18 Dec 1997
Postal Mortem
S2E11 / 15 Jan 1998
Micro-Clues
S2E12 / 05 Feb 1998
Deadly Parasites
S2E13 / 05 Mar 1998
Season 3
Without a Trace
S3E1 / 01 Oct 1998
Knot for Everyone
S3E2 / 08 Oct 1998
The Talking Skull
S3E3 / 15 Oct 1998
Foreign Body
S3E4 / 22 Oct 1998
Deadly Delivery
S3E5 / 29 Oct 1998
'Sim'ilar Circumstances
S3E6 / 05 Nov 1998
Grave Evidence
S3E7 / 12 Nov 1998
Deadly Formula
S3E8 / 19 Nov 1998
Beaten by a Hair
S3E9 / 03 Dec 1998
Crime Seen
S3E10 / 17 Dec 1998
Speck of Evidence
S3E11 / 07 Jan 1999
Broken Bond
S3E12 / 14 Jan 1999
Out of the Ashes
S3E13 / 21 Jan 1999
Season 4
Invisible Intruder
S4E1 / 10 Jun 1999
The Killing Room
S4E2 / 01 Jul 1999
Ultimate Betrayal
S4E3 / 08 Jul 1999
Cement the Case
S4E4 / 22 Jul 1999
Innocence Lost
S4E5 / 15 Jul 1999
Til Death Do Us Part
S4E6 / 29 Jul 1999
Ties That Bind
S4E7 / 05 Aug 1999
Body of Evidence
S4E8 / 16 Sep 1999
Accident or Murder?
S4E9 / 19 Aug 1999
Core Evidence
S4E10 / 14 Oct 1999
Haunting Vision
S4E11 / 15 Dec 1999
With Every Breath
S4E12 / 22 Dec 1999
Slippery Motives
S4E13 / 29 Dec 1999
Season 5
Badge of Deceit
S5E1 / 12 Sep 2000
Dew Process
S5E2 / 19 Sep 2000
A Woman Scorned
S5E3 / 26 Sep 2000
A Voice from Beyond
S5E4 / 03 Oct 2000
Burning Ambition
S5E5 / 10 Oct 2000
Memories
S5E6 / 17 Oct 2000
Trail of Truth
S5E7 / 24 Oct 2000
Material Evidence
S5E8 / 31 Oct 2000
Kill'igraphy
S5E9 / 07 Nov 2000
Nursery Crimes
S5E10 / 14 Nov 2000
Lasting Impression
S5E11 / 21 Nov 2000
Foundation of Lies
S5E12 / 28 Nov 2000
Unholy Vows
S5E13 / 05 Dec 2000
Deadly Knowledge
S5E14 / 05 Dec 2000
Broken Promises
S5E15 / 12 Dec 2000
Time Will Tell
S5E16 / 19 Dec 2000
Second Shot at Love
S5E17 / 26 Dec 2000
Journey to Justice
S5E18 / 02 Jan 2001
Video Diary
S5E19 / 09 Jan 2001
Season 6
Missing in Time
S6E1 / 21 May 2001
Missing Pearl
S6E2 / 28 May 2001
Man's Best Friend?
S6E3 / 04 Jun 2001
Hand Delivered
S6E4 / 11 Jun 2001
Death Play
S6E5 / 18 Jun 2001
Fire Dot Com
S6E6 / 25 Jun 2001
Mistaken for Dead
S6E7 / 02 Jul 2001
Frozen Evidence
S6E8 / 09 Jul 2001
Soft Touch
S6E9 / 16 Jul 2001
Church Disappearance
S6E10 / 23 Jul 2001
Photo Finish
S6E11 / 30 Jul 2001
Whodunit
S6E12 / 06 Aug 2001
Horse Play
S6E13 / 13 Aug 2001
Treads and Threads
S6E14 / 20 Aug 2001
Killer's 'Cattle' Log
S6E15 / 27 Aug 2001
Skin of Her Teeth
S6E16 / 03 Sep 2001
Line of Fire
S6E17 / 10 Sep 2001
Bad Blood
S6E18 / 17 Sep 2001
Pure Evil
S6E19 / 24 Sep 2001
Root of All Evil
S6E20 / 01 Oct 2001
Where the Blood Drops
S6E21 / 08 Oct 2001
Punch Line
S6E22 / 15 Oct 2001
Sibling Rivalry
S6E23 / 22 Oct 2001
Pastoral Care
S6E24 / 29 Oct 2001
Bagging a Killer
S6E25 / 05 Nov 2001
Double Trouble
S6E26 / 12 Nov 2001
Cats, Flies, and Snapshots
S6E27 / 19 Nov 2001
Naked Justice
S6E28 / 26 Nov 2001
Treading Not So Lightly
S6E29 / 03 Dec 2001
Shopping Spree
S6E30 / 10 Dec 2001
Season 7
The Cheater
S7E1 / 01 Jan 2002
Forever Hold Your Peace
S7E2 / 08 Jan 2002
Reel Danger
S7E3 / 15 Jan 2002
Who's Your Daddy
S7E4 / 22 Jan 2002
The Alibi
S7E5 / 29 Jan 2002
A Bite Out of Crime
S7E6 / 05 Feb 2002
Purr-fect Match
S7E7 / 12 Feb 2002
Bio-Attack
S7E8 / 19 Feb 2002
A Shot in the Dark
S7E9 / 26 Feb 2002
Without a Prayer
S7E10 / 05 Mar 2002
A Clutch of Witnesses
S7E11 / 12 Mar 2002
Scout's Honor
S7E12 / 19 Mar 2002
A Touching Recollection
S7E13 / 26 Mar 2002
A Leg to Stand On
S7E14 / 10 Jul 2002
Partners in Crime
S7E15 / 17 Jul 2002
Within a Hair
S7E16 / 31 Jul 2002
Chief Evidence
S7E17 / 24 Jul 2002
A Bitter Pill to Swallow
S7E18 / 12 Sep 2002
Sip of Sins
S7E19 / 26 Aug 2002
Telltale Tracks
S7E20 / 27 Aug 2002
Ghost in the Machine
S7E21 / 28 Aug 2002
Frozen in Time
S7E22 / 29 Aug 2002
Cold Storage
S7E23 / 30 Aug 2002
The Metal Business
S7E24 / 26 Sep 2002
Dressed to Kill
S7E25 / 04 Sep 2002
Palm Print Conviction
S7E26 / 03 Oct 2002
A Vow of Silence
S7E27 / 10 Oct 2002
Elephant Tracks
S7E28 / 17 Oct 2002
A Bag of Evidence
S7E29 / 31 Oct 2002
Tooth or Consequences
S7E30 / 07 Nov 2002
The Sniffing Revenge
S7E31 / 14 Nov 2002
Sleight of Hand
S7E32 / 21 Nov 2002
Scratching the Surface
S7E33 / 28 Nov 2002
Fire Proof
S7E34 / 05 Dec 2002
X Marks the Spot
S7E35 / 09 Dec 2002
All Charged Up
S7E36 / 10 Dec 2002
Breaking the Mold
S7E37 / 11 Dec 2002
House Call
S7E38 / 12 Dec 2002
Marathon Man
S7E39 / 13 Dec 2002
The Sniper's Trail
S7E40 / 19 Dec 2002
Plastic Fire
S7E41 / 22 Jan 2003
Last Will
S7E42 / 29 Jan 2003
Season 8
Dessert Served Cold
S8E1 / 02 Apr 2003
The Music Case
S8E2 / 09 Apr 2003
Paintball
S8E3 / 16 Apr 2003
Sign Here
S8E4 / 23 Apr 2003
Shadow of a Doubt
S8E5 / 30 Apr 2003
Tourist Trap
S8E6 / 04 Jun 2003
Once Bitten
S8E7 / 11 Jun 2003
All Wet
S8E8 / 18 Jun 2003
Shot of Vengeance
S8E9 / 25 Jun 2003
Dinner and a Movie
S8E10 / 23 Jul 2003
A Wrong Foot
S8E11 / 30 Jul 2003
Order Up
S8E12 / 06 Aug 2003
When the Dust Settled
S8E13 / 13 Aug 2003
A Welcome Intrusion
S8E14 / 27 Aug 2003
Within Arm's Reach
S8E15 / 25 Aug 2003
Private Thoughts
S8E16 / 26 Aug 2003
Brotherhoods
S8E17 / 28 Aug 2003
Hair of the Dog
S8E18 / 29 Aug 2003
Breaking News
S8E19 / 03 Sep 2003
All the World's a Stage
S8E20 / 10 Sep 2003
The Big Chill
S8E21 / 17 Sep 2003
Bound for Jail
S8E22 / 01 Oct 2003
Sphere of Influence
S8E23 / 08 Oct 2003
Nailed
S8E24 / 05 Nov 2003
Sign of the Zodiac
S8E25 / 03 Dec 2003
Letter Perfect
S8E26 / 10 Dec 2003
True Lies
S8E27 / 07 Jan 2004
Bed of Deceit
S8E28 / 21 Jan 2004
Smoke in Your Eyes
S8E29 / 14 Jan 2004
Flower Power
S8E30 / 28 Jan 2004
Past Lives
S8E31 / 18 Feb 2004
Over and Out
S8E32 / 25 Feb 2004
Death by a Salesman
S8E33 / 03 Mar 2004
Web of Seduction
S8E34 / 31 Mar 2004
Grounds for Indictment
S8E35 / 07 Apr 2004
Dueling Confessions
S8E36 / 21 Apr 2004
Traces of Truth
S8E37 / 05 May 2004
Honor Thy Father
S8E38 / 19 May 2004
Hack Attack
S8E39 / 04 Sep 2006
Deadly Curve
S8E40 / 10 Oct 2006
Visibility Zero
S8E41 / 15 Nov 2006
Flashover
S8E42 / 21 Dec 2006
Season 9
Road Rage
S9E1 / 02 Jun 2004
Hunter or Hunted
S9E2 / 09 Jun 2004
In Harm's Way
S9E3 / 16 Jun 2004
No Corpus Delicti
S9E4 / 23 Jun 2004
News at 11
S9E5 / 30 Jun 2004
Burning Desire
S9E6 / 07 Jul 2004
Cloak of Deceit
S9E7 / 14 Jul 2004
Bad Medicine
S9E8 / 21 Jul 2004
Stick 'em Up
S9E9 / 28 Jul 2004
Head Games
S9E10 / 04 Aug 2004
Making the Collar
S9E11 / 11 Aug 2004
Financial Downfall
S9E12 / 18 Aug 2004
A Daughter's Journey
S9E13 / 23 Aug 2004
Over a Barrel
S9E14 / 24 Aug 2004
Pinned by the Evidence
S9E15 / 24 Aug 2004
Cries Unheard
S9E16 / 25 Aug 2004
Buried Treasure
S9E17 / 26 Aug 2004
Badge of Betrayal
S9E18 / 22 Sep 2004
Deadly Matrimony
S9E19 / 29 Sep 2004
Muddy Waters
S9E20 / 13 Oct 2004
Point of Origin
S9E21 / 27 Oct 2004
Seeds for Doubt
S9E22 / 03 Nov 2004
Saving Face
S9E23 / 17 Nov 2004
Northern Exposure
S9E24 / 08 Dec 2004
Silk Stalkings
S9E25 / 29 Dec 2004
Fishing for the Truth
S9E26 / 12 Jan 2005
For Love or Money
S9E27 / 19 Jan 2005
South of the Border
S9E28 / 02 Feb 2005
The Stake-Out
S9E29 / 09 Feb 2005
Walking Terror
S9E30 / 02 Mar 2005
Season 10
Trial by Fire
S10E1 / 27 Apr 2005
Marked for Life
S10E2 / 18 May 2005
Plastic Puzzle
S10E3 / 01 Jun 2005
Up in Smoke
S10E4 / 29 Jun 2005
Soiled Plan
S10E5 / 06 Jul 2005
Headquarters
S10E6 / 13 Jul 2005
One for the Road
S10E7 / 20 Jul 2005
Army of Evidence
S10E8 / 27 Jul 2005
Shear Luck
S10E9 / 03 Aug 2005
Tagging a Suspect
S10E10 / 10 Aug 2005
Strong Impressions
S10E11 / 17 Aug 2005
Cereal Killer
S10E12 / 24 Aug 2005
Crash Course
S10E13 / 31 Aug 2005
A Leg Up on Crime
S10E14 / 07 Sep 2005
Tight-Fitting Genes
S10E15 / 14 Sep 2005
Deadly Valentine
S10E16 / 21 Sep 2005
Picture This
S10E17 / 28 Sep 2005
Oily in the Morning
S10E18 / 05 Oct 2005
Gold Rush
S10E19 / 12 Oct 2005
Four on the Floor
S10E20 / 19 Oct 2005
Writer's Block
S10E21 / 26 Oct 2005
A Clean Getaway
S10E22 / 02 Nov 2005
Prints Among Thieves
S10E23 / 09 Nov 2005
Unholy Alliance
S10E24 / 16 Nov 2005
Signed, Sealed & Delivered
S10E25 / 23 Nov 2005Cop Out
S10E26 / 14 Dec 2005
Summer Obsession
S10E27 / 21 Dec 2005
Enemy Within
S10E28 / 28 Dec 2005Elemental Clue
S10E29 / 04 Jan 2006
Moss, Not Grass
S10E30 / 11 Jan 2006
Material Witness
S10E31 / 08 Feb 2006
Garden of Evil
S10E32 / 22 Feb 2006
Sunday School Ambush
S10E33 / 08 Mar 2006
Penchant for Poison
S10E34 / 22 Mar 2006
Bump in the Night
S10E35 / 05 Apr 2006
Sole Searching
S10E36 / 12 Apr 2006
Murder on the Menu
S10E37 / 26 Apr 2006
Hot on the Trail
S10E38 / 10 May 2006
High 'n Dry
S10E39 / 31 May 2006
To the Viktor
S10E40 / 14 Jun 2006
Wired for Disaster
S10E41 / 21 Jun 2006
Wood-be Killer
S10E42 / 12 Jul 2006
Season 11
Naughty or Nyce
S11E1 / 19 Jul 2006
Going for Broke
S11E2 / 26 Jul 2006
Just Desserts
S11E3 / 02 Aug 2006
Sunday's Wake
S11E4 / 09 Aug 2006
Shattered Dreams
S11E5 / 16 Aug 2006
Dockter Visit
S11E6 / 23 Aug 2006
Murder, She Wrote
S11E7 / 30 Aug 2006
Concrete Alibi
S11E8 / 06 Sep 2006
Key Evidence
S11E9 / 13 Sep 2006
The Gambler
S11E10 / 20 Sep 2006
Weakest Link
S11E11 / 27 Sep 2006
Capitol Crimes
S11E12 / 04 Oct 2006
Undertaken
S11E13 / 11 Oct 2006
Dark Waters
S11E14 / 18 Oct 2006
Nice Threads
S11E15 / 25 Oct 2006
Grave Danger
S11E16 / 01 Nov 2006
Internal Affair
S11E17 / 08 Nov 2006
A Case of the Flue
S11E18 / 15 Nov 2006
No Safe Place
S11E19 / 22 Nov 2006
Live Wire
S11E20 / 29 Nov 2006
Van-ished
S11E21 / 06 Dec 2006
A Novel Idea
S11E22 / 13 Dec 2006
Chief Suspect
S11E23 / 20 Dec 2006
Water Hazard
S11E24 / 27 Dec 2006
Shell Game
S11E25 / 03 Jan 2007
Ring Him Up
S11E26 / 10 Jan 2007
Killer Impression
S11E27 / 17 Jan 2007
If I Were You
S11E28 / 24 Jan 2007
As the Tide Turns
S11E29 / 31 Jan 2007
A Tight Leash
S11E30 / 07 Feb 2007
Muffled Cries
S11E31 / 14 Feb 2007
Critical Maneuver
S11E32 / 21 Feb 2007
Skirting the Evidence
S11E33 / 28 Feb 2007
Small Town Terror
S11E34 / 07 Mar 2007
Fresh Heir
S11E35 / 14 Mar 2007
Ticker Tape
S11E36 / 21 Mar 2007
Step by Step
S11E37 / 28 Mar 2007
Blanket of Evidence
S11E38 / 04 Apr 2007
Fired-Up
S11E39 / 11 Apr 2007
Two in a Million
S11E40 / 18 Apr 2007
Bitter Brew
S11E41 / 25 Apr 2007
Message in a Bottle
S11E42 / 02 May 2007
Season 12
Sharper Image
S12E1 / 26 Sep 2007
Insulated Evidence
S12E2 / 03 Oct 2007
Cold Hearted
S12E3 / 10 Oct 2007
Wheel of Misfortune
S12E4 / 24 Oct 2007
Quite a Spectacle
S12E5 / 31 Oct 2007
Transaction Failed
S12E6 / 07 Nov 2007
The Day the Music Died
S12E7 / 14 Nov 2007
Sole Survivor
S12E8 / 19 Nov 2007
Insignificant Others
S12E9 / 10 Dec 2007
Catch 22
S12E10 / 17 Dec 2007
A Cinderella Story
S12E11 / 24 Dec 2007
Screen Pass
S12E12 / 07 Jan 2008
Pressed for Crime
S12E13 / 14 Jan 2008
Finger Pane
S12E14 / 21 Jan 2008
Good as Gold
S12E15 / 28 Jan 2008
Freedom Fighter
S12E16 / 13 Jun 2008
Dog Day Afternoon
S12E17 / 25 Feb 2008
Shattered Innocence
S12E18 / 07 Mar 2008
All Butt Certain
S12E19 / 14 Mar 2008
Jean Pool
S12E20 / 18 Apr 2008
Traffic Violations
S12E21 / 09 May 2008
Brotherly Love
S12E22 / 23 May 2008
Disrobed
S12E23 / 06 Jun 2008
Driven to Silence
S12E24 / 20 Jun 2008
Printed Proof
S12E25 / 28 Jun 2008
About Face
S12E26 / 18 Jul 2008
In the Bag
S12E27 / 25 Jul 2008
Yes, in Deed
S12E28 / 09 Feb 2008
Guarded Secrets
S12E29 / 22 Aug 2008
Smoking Out a Killer
S12E30 / 17 Feb 2008
Season 13
Frozen Assets
S13E1 / 12 Sep 2008
House Hunting
S13E2 / 19 Sep 2008
Shoot to Thrill
S13E3 / 03 Oct 2008
Political Thriller
S13E4 / 10 Oct 2008
Double Cross
S13E5 / 24 Oct 2008
Dancing with the Devil
S13E6 / 31 Oct 2008
Last Dance
S13E7 / 14 Nov 2008
Constructive Criticism
S13E8 / 21 Nov 2008
Home Evasion
S13E9 / 05 Dec 2008
Window Watcher
S13E10 / 12 Dec 2008
Stranger in the Night
S13E11 / 19 Dec 2008
Kidnapping
S13E12 / 09 Jan 2009
Sands of Crime
S13E13 / 20 Feb 2009
Calculated Coincidence
S13E14 / 06 Feb 2009
Sworded Scheme
S13E15 / 30 Jan 2009
Unmasked
S13E16 / 20 Feb 2009
Fashion Police
S13E17 / 13 Mar 2009
Church Dis-service
S13E18 / 03 Apr 2009
Seedy Intentions
S13E19 / 17 Apr 2009
DNA Dragnet
S13E20 / 15 May 2009
Smiley Face
S13E21 / 22 May 2009
Dirty Laundry
S13E22 / 05 Jun 2009
Drowning Sorrows
S13E23 / 12 Jun 2009
As Fault
S13E24 / 19 Jun 2009
Family Ties
S13E25 / 17 Jul 2009
Trouble Brewing
S13E26 / 24 Jul 2009
Holy Terror
S13E27 / 14 Aug 2009
Needle in a Haystack
S13E28 / 28 Aug 2009
Room with a View
S13E29 / 11 Sep 2009
Dollars and Sense
S13E30 / 25 Sep 2009
Hair Line
S13E31 / 02 Oct 2009
All That Glitters Is Gold
S13E32 / 16 Oct 2009
Deadly Rebellion
S13E33 / 30 Oct 2009
Sign of the Crime
S13E34 / 13 Nov 2009
Covet Thy Neighbor
S13E35 / 20 Nov 2009
Writing on the Wall
S13E36 / 04 Dec 2009
Hundreds of Reasons
S13E37 / 11 Dec 2009
Cold Feet
S13E38 / 18 Dec 2009
Separation Anxiety
S13E39 / 08 Jan 2010
Office Visit
S13E40 / 05 Mar 2010
Palm Saturday
S13E41 / 12 Mar 2010
Shoe-In for Murder
S13E42 / 19 Mar 2010
Family Interrupted
S13E43 / 02 Apr 2010
Runaway Love
S13E44 / 16 Apr 2010
Watchful Eye
S13E45 / 30 Apr 2010
Waste Mis-Management
S13E46 / 14 May 2010
Dirty Little Secret
S13E47 / 28 May 2010
Lights Out
S13E48 / 11 Jun 2010
Pet Rock
S13E49 / 25 Jun 2010
Best Foot Forward
S13E50 / 09 Jul 2010
Season 14
Purebread Murder
S14E1 / 16 Jul 2010
Hear No Evil
S14E2 / 30 Jul 2010
Hell's Kitchen
S14E3 / 13 Aug 2010
Three's a Crowd
S14E4 / 27 Aug 2010
A Squire's Riches
S14E5 / 10 Sep 2010
Home of the Brave
S14E6 / 24 Sep 2010
Freeze Framed
S14E7 / 08 Oct 2010
Touch of Evil
S14E8 / 17 Dec 2010
Textbook Murder
S14E9 / 31 Dec 2010
Filtered Out
S14E10 / 14 Jan 2011
Water Logged
S14E11 / 28 Jan 2011
Social Circle
S14E12 / 11 Feb 2011
Low Maintenance
S14E13 / 25 Feb 2011
Fate Date
S14E14 / 11 Mar 2011
Trail of a Killer
S14E15 / 25 Mar 2011
Gone Ballistic
S14E16 / 08 Apr 2011
Seeing Red
S14E17 / 22 Apr 2011
Auto-Motive
S14E18 / 06 May 2011
Skeleton Key
S14E19 / 20 May 2011
Funeral Services
S14E20 / 03 Jun 2011
Expert Witness
S14E21 / 17 Jun 2011
