Motives & Murders: Cracking the CaseWW

Motives & Murders: Cracking the Case

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Cracking the Case: No Waiting

Police often wait 48 hours to start looking for missing adults. When Carla Larson goes missing investigators jump on the case right away. Lead Detective John Linnert explains why.

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Investigation Discovery

In a sleepy New Hampshire town, a man answers a knock at the door and is shot dead through the screen. Investigators are stumped. That is, until they uncover a seething grudge and a culprit closer to home than anyone could have imagined. WWW

01:20

Motives & Murders: Cracking the CaseW

Family Man Shot Dead Through His Screen Door, Stumping Investigators

Investigation Discovery

A hard-working single mom is murdered in a Michigan town where violent crime rates are nearly four times the national average. And while a TV celebrity leads a major media campaign, the search is on for a mysterious man known only as ‘B’.WWW

03:11

Motives & Murders: Cracking the CaseW

Cracking the Case (Season 3):Star Jones Gets The Media Involved In Her Friend's Missing Case

Investigation Discovery

The crime scene in Las Vegas has evolved at a rapid rate in the last 50 years, and detectives have had to change their strategies as well.WWW

01:36

Motives & Murders: Cracking the CaseW

Cracking the Case:I Don't Think Anyone Would Say We Saw This Coming

Investigation Discovery

Prosecuting Attorney, Greg Jacobs, explains why the Polly Klaas murder case was so unique to him.WWW

01:21

Motives & Murders: Cracking the CaseW

Cracking the Case:I Couldn't Keep Images Of Polly Klaas Out Of My Head

Investigation Discovery

When a work crew uncovers a woman’s skull on a stretch of Florida highway, investigators try to determine who she is and find her killer. But it will take a bizarre discovery over a thousand miles away before the grizzly truth is finally revealed.WWW

01:42

Motives & Murders: Cracking the CaseW

Cracking the Case:The I-75 Is To Blame For Florida's Unique Crime Problem

Investigation Discovery

The body of Marilyn Habian, a popular teacher with a passion for dance, is found in the basement of her home. There are no witnesses or signs of forced entry, but evidence from the crime scene suggests Habian caught the perpetrator in the act before she was shot in the heart.WWW

02:05

Motives & Murders: Cracking the CaseW

A Ballet Teacher Is Found Murdered, But Her Strong Spirit Lives On

Investigation Discovery

On her last day as a high school freshman, 14-year-old Jessica McHenry vanishes. The victim of a shocking and brutal murder, her badly burned body is found in a field just outside of town. While her sleepy community deals with the aftermath, police hunt for a monster.WWW

02:01

Motives & Murders: Cracking the CaseW

Returning To The Crime Scene Where 14-Year-Old Jessica Was Found Murdered

Investigation Discovery

18-year-old Debra Ann Dill had just quit high school to get married to a local police officer. Dill leaves one night for a date with her fiancé, but the next morning, her body is discovered next to her car. Twelve state police investigators are assigned to the case, but after interviewing hundreds of people, the case goes cold. That is, until 15 years later when a phone call from a Connecticut prison changed everything.WWW

01:31

Motives & Murders: Cracking the CaseW

A Cold Case Investigator Explains How The Process Really Works

Investigation Discovery

When 18-year-old Lisa Monzo is murdered in San Lorenzo, California, investigators look for a connection to other unsolved murders in the area. But it will take several years and help from an unlikely source before they can track down her killer.WWW

01:40

Motives & Murders: Cracking the CaseW

18-Year-Old Girl Murdered Before Opening Night Of Her Play

Investigation Discovery

Police often wait 48 hours to start looking for missing adults. When Carla Larson goes missing investigators jump on the case right away. Lead Detective John Linnert explains why.WWW

01:25

Motives & Murders: Cracking the CaseW

Cracking the Case: No Waiting

Investigation Discovery

Musician Judith Olson remembers her good friend, violinist Helen Hagnes. The 30-year-old Canadian was murdered July 23, 1980 while performing at the Metropolitan Opera House in New York City.WWW

01:41

Motives & Murders: Cracking the CaseW

Ashes In the Nile

Investigation Discovery

Gwen Frick-Grimes describes the emotional impact her daughter's murder had on her family and Gwen's own feelings of guilt for not being at home that fateful night to protect her 15-year-old.WWW

01:28

Motives & Murders: Cracking the CaseW

Cracking the Case: Daughter Murdered

Investigation Discovery

Two weeks after Traci Todd disappears in Chicago in September 2000 FBI agent Doug Seccombe, and the Evidence Response Team, descend on her apartment to see if they can figure out what happened to Traci.WWW

01:31

Motives & Murders: Cracking the CaseW

What Happened to Traci?

Investigation Discovery

At the time he was murdered, Tod McQuaid was in a relationship with several different women and none were happy about the others. Both his ex-wife and his ex-girlfriend describe the situation.WWW

01:36

Motives & Murders: Cracking the CaseW

Investigation Discovery

14-year-old Lisa Steedman is right next door when Kathleen Smith is murdered in her Tempe, Arizona apartment. When a reward for information in the case is publicized, Lisa fears for her own safety.WWW

01:26

Motives & Murders: Cracking the CaseW

A Reward is Out

Investigation Discovery

A 14-year-old cold case brings two unlikely women together: a feisty homicide detective and the determined daughter, Mildred Charles. Can their combined efforts solve this murder?WWW

01:44

Motives & Murders: Cracking the CaseW

Connecting to the Community

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Investigation Discovery

In 1974, Barbara Lloyd is stabbed to death in her Buffalo, NY home while her children are sound asleep. Police immediately question, how could they have slept through such a brutal murder? Could it be that her killer is someone they knew and loved?WWW

01:35

Motives & Murders: Cracking the CaseW

Cracking the Case: Relative Suspects

Investigation Discovery

Detectives from Spring Valley PD in New York travel to Haiti to interview a man rumored to have information in the 14-year-old murder case of Rene Charles.WWW

01:46

Motives & Murders: Cracking the CaseW

Finding True Involvment

Investigation Discovery

In a sleepy New Hampshire town, a man answers a knock at the door and is shot dead through the screen. Investigators are stumped. That is, until they uncover a seething grudge and a culprit closer to home than anyone could have imagined. WWW

01:20

Motives & Murders: Cracking the CaseW

Family Man Shot Dead Through His Screen Door, Stumping Investigators

Investigation Discovery

Detective Dennis Delano, of the Buffalo PD Cold Case Squad, describes the challenges of investigating a 29 year-old murder. He explains how the passage of time allowed them to see the facts in their totality and helped solve this cold case.WWW

01:29

Motives & Murders: Cracking the CaseW

Cracking the Case: Total Facts

Investigation Discovery

In 2004, local authorities call in blood stain pattern analyst, Stuart James, when Cathy Lamb is found dead in Palm Beach County, Florida. What does the blood in her house tell him about the murder?WWW

01:33

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Cracking the Case:Whomever Did This Had To Have Gotten Blood On Them

Investigation Discovery

31-year-old bartender Deborah Fielding’s body is dumped in an Orlando park. And as detectives connect the dots, a spate of seemingly random beatings, carjackings, and murders tells the story of a one-man crime spree.WWW

01:50

Motives & Murders: Cracking the CaseW

Homicide Investigators Explain What Helps Determine If A Killer Is A Stranger

Investigation Discovery

A 14-year-old cold case brings two unlikely women together: a feisty homicide detective and the determined daughter, Mildred Charles. Can their combined efforts solve this murder?WWW

01:44

Motives & Murders: Cracking the CaseW

Connecting to the Community

Investigation Discovery

A hard-working single mom is murdered in a Michigan town where violent crime rates are nearly four times the national average. And while a TV celebrity leads a major media campaign, the search is on for a mysterious man known only as ‘B’.WWW

03:11

Motives & Murders: Cracking the CaseW

Cracking the Case (Season 3):Star Jones Gets The Media Involved In Her Friend's Missing Case

Investigation Discovery

Kimberly Dunkin's body is found with a single gunshot to the head. At first, investigators suspect she was the victim of a gang war. It will take 15 years, a deck of playing cards, and a lucky break before the case finally begins to unravel.WWW

01:54

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How A Deck Of Cards Can Be Used To Help Solve Cold Cases

Investigation Discovery

Deep in Southern Louisiana, the bodies start piling up in a series of deadly home invasions. There's a curious link between the victims and a similar MO, and before long a combined task force is on the hunt for a serial killer.WWW

01:52

Motives & Murders: Cracking the CaseW

Brother-In-Law Questioned In Louisiana Woman's Death - Did He Owe Her Money?

Investigation Discovery

Jim Larson has faced far too much tragedy in his life. A man known as the Gainsville Ripper killed his sister and Jim's wife Carla helped him deal with his grief. Seven years later Carla is murdered.WWW

01:35

Motives & Murders: Cracking the CaseW

Cracking the Case: Not Again

Investigation Discovery

Attorney Angela Ordonez finds herself pulled into the murder case of teenage mom, Noemi Roman. She becomes personally involved in tracking down the murderer - an emotional journey that lasts more than fifteen years.WWW

01:34

Motives & Murders: Cracking the CaseW

Tracking Down the Murderer

Investigation Discovery

Detective Jim Scharf explains how he adapted an innovative tool from the Iraq War to create the Cold Case Playing Cards. The cards that eventually helped solved the 32-year-old case ... and why Susan Schwarz was chosen to be Queen of Hearts.WWW

01:38

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Cracking the Case: Queen of Hearts

Investigation Discovery

When the mutilated body of 17-year-old Lori Billingsley is found in a ditch on the outskirts of town, it's obvious a sadistic killer is on the loose in Oregon. But when the case goes cold, it's her sister who is determined to get justice for Lori.WWW

00:58

Motives & Murders: Cracking the CaseW

Interrogating A Suspect In The Murder Of A 17-Year-Old Girl

Investigation Discovery

In 1999, 19-year-old journalism student, Brook Baker, is murdered in her apartment sending shock waves through the once peaceful Vincennes, Indiana, and setting in motion a desperate police investigation.WWW

01:31

Motives & Murders: Cracking the CaseW

Cracking the Case:She Was Murdered Because The Killer Liked Doing It

Investigation Discovery

While building their dream home, Matthew Monahon discovers his pregnant wife Kelsey hogtied on the floor and clinging to life. When she dies days later, a $300,000 life insurance policy casts him as the number one suspect.WWW

01:22

Motives & Murders: Cracking the CaseW

What Happens When There's A Lack Of Forensic Evidence In A Murder Case?