DIDDY VERDICT WATCH: Defense Claims Violent Attacks Just 'Homemade Porn'

The FBI acknowledges it failed to tracked down school shooter Nikolas Cruz after being tipped off to a threatening YouTube post, but that missed opportunity was not the only red flag missed. Nancy Grace discusses the investigation into the massacre at Marjory Stoneman Douglas High School with experts, including hate crime expert Brian Levin, security analyst Rob Hessell, former DEA agent David Katz, forensics expert Joseph Scott Morgan, child welfare law specialist Ashley Willcott, psychologist Caryn Stark, and reporter John Lemley. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

16 Feb 201853min

How were warning signs that a student was planning a massacre at a Florida high school missed? Nikolas Cruz, who is charged with 17 counts of murder, allegedly boasted on social media that he was "going to be a professional school shooter,” yet he was still allowed to purchase an AR-15 rifle investigators say he used in his assault on the Marjory Stoneman Douglas High School in Parkland, Florida. Nancy Grace talks with a student who was barricaded in the school during the attack, along with a panel of experts including private investigator Vincent Hill, psychoThe analyst Dr. Bethany Marshall, child welfare law specialist Ashley Willcott, prosecutor Wendy Patrick, & reporter John Lemley. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

15 Feb 201849min

Love is in the air on Valentine's Day, but this special Crime Stories episode reminds us of how the passion can turn into poison. What lessons has Nancy Grace learned after many years as a prosecutor and then as a TV host covering cases of love gone bad? She discusses those lessons with Dr. Brian Russell, a lawyer and psychologist who hosts Investigation Discovery's "Fatal Vows" series, Cold Case Research Institute director Sheryl McCollum, lawyer & child advocate Ashley Willcott, and RadarOnline.com reporter Alexis Tereszcuk. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

14 Feb 201853min

Crime Stories investigates the unsolved murder of Bridget Shiel. Almost two years have passed since Bridget Shiel was tragically gunned down - and still no arrests have been made. Nancy Grace is joined by Karen Greer, CBS46 Atlanta reporter, and Vincent Hill, private investigator, former Nashville police officer, to examine the clues and bring a killer to justice. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

13 Feb 201846min

What happened to beauty queen Tara Grinstead, who was missing from a small Georgia town for a dozen years, is still a mystery even though two of the high school teacher's former students have been charged in connection to her death. Nancy Grace has been there from the beginning searching for answers. In this Crime Stories episode, Nancy talks to Tara's close friend Maria Woods Harber. They are joined by Cold Case Research Institute director Sheryl McCollum and Los Angeles psycho analyst Dr. Bethany Marshall. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

12 Feb 201856min

The rise social media in our lives is also reflected in our deaths and crimes. Nancy Grace looks at how criminals are using Facebook, Twitter, SnapChat and other platforms to kill and steal. Her expert guests include New York psychologist Dr. Chloe Carmichael, forensics expert Joseph Scott Morgan, reporter John Lemley, and co-host Alan Duke. One sensational case involves Steve Stephens, who streamed video on Facebook as he randomly shot an elderly man on a Cleveland street. Stephens later told Facebook "friends" in a live video before killing himself that he "just snapped" because his girlfriend dumped him. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

9 Feb 201849min

The search for the Long Island Serial Killer, who investigators believe killed 10 people and left their bodies along a beach highway starting in 2010, is heating up. Nancy Grace assembled an all-star panel of experts on the case, including Robert Kolker, author of the New York Times bestselling book Lost Girls: An Unsolved American Murder Mystery. Nancy's guests also include criminal profiler Pat Brown, Cold Case Research Institute director Sheryl McCollum, and CrimeOnline.com reporter Ellen Killoran. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

8 Feb 201846min

About 115 Americans die each day from opioid overdoses, a frightening statistic for parents. When Rick Van Warner's son went missing, the father's battle to save his son from becoming one of the countless victims began. Warner and shares his story in a book "On Pills and Needles: The Relentless Fight to Save My Son from Opioid Addiction." He joins Nancy Grace to talk about the struggle, along with Los Angeles psychiatrist Dr. Carole Lieberman, and opioid addiction expert Dr. William Morrone. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

7 Feb 201852min