Stephen Paddock, the 64-year-old millionaire blamed for killing 59 people and wounding 527 others in Las Vegas, doesn't fit the profile of a mass shooter. The retired accountant fired high-powered rifles from the windows of a suite on the 32nd floor of a hotel Sunday night. Nancy Grace digs into the questions surrounding the massacre with Brian Levin, director of the Center for the Study of Hate & Extremism, psycho analyst Dr. Bethany Marshall, forensics expert Joseph Scott Morgan and reporter Cheryl White. Nancy also looks at a disturbing case in Florida, where a teacher and 2 school administrators face charges after an investigation into the treatment of a boy with non-verbal autism. Northwest Florida Daily News reporters Heather Osbourne and Tom McLaughlin and the child's father Eddie Perillo discuss the case with Grace.

A 64-year-old man opened fire from a Las Vegas hotel's 32nd floor on thousands of country music fans gathered for a concert Sunday night, killing more than 50 and wounded 500 others. Nancy Grace, Crime Stories contributing reporter Cheryl White, RadarOnline reporter Alexis Tereszcuk and Los Angeles lawyer Troy Slaten discuss the latest Grace and guests, also including DailyMail.com's Sean Walsh, Calif. prosecutor Wendy Patrick and psychologist Caryn Stark, then turn to the weekend release of O.J. Simpson from a Nevada prison.   

Susan Smith has been misbehaving in a South Carolina prison, where she is serving a life sentence for murdering of her 2 young sons, according to People magazine's Steve Helling. Helling joins Nancy Grace,reporter Mary Ellen Hopkins, forensics expert Joseph Scott Morgan, and co-host Alan Duke to discuss how Smith's causing trouble behind bar. Grace also puts out the alert for missing LSU student Michael Nickelotte Jr., who vanished from his campus apartment on September 18. Florida investigators believe they have solved the mystery of who dressed up as a clown to shoot Marlene Warren 27 years ago.

When police responded to a 911 call from Vanessa MacCormack's husband that his wife was dead on her kitchen floor, they smelled the strong odor of bleach. Evidence the teacher's killer tried to clean up the murder scene helped finger a suspect. Nancy Grace is joined by reporter Ed Payne and psycho-analyst Dr. Bethany Marshall to look at the case. A Florida woman allegedly tried to run over her daughter's husband, but not because she didn't like him. Maybe she liked him too much. Police say Kathleen Davis, 58, had an affair with her son in law, but the relationship went sour when he told his wife -- her daughter -- about it. Nancy and guests dig into the story.

Anthony Weiner wept after a judge ordered the disgraced politician to serve 21 months in prison for obscene messages sent to a teen girl. Criminal profiler Pat Brown, victim advocate Mark Klaas, and reporter Scott Kimbler join Nancy Grace in this episode to discuss Weiner's sordid online history and what happens next. Death care legal expert Wendy Russell Wiener joins Nancy to look at the mystery surrounding Julie Mott, a young Texas woman who died 2 years ago. Mott's remains vanished from her casket inside a funeral home hours after her funeral and before it could be transported for cremation.

Sarah and Jacob Hoggle were 4 and 2when they vanished 2 years ago. Catherine Hoggle told police she gave her kids away, but prosecutors accuse the Maryland mom of murdering them. Hoggle, who has been in a mental health facility since her arrest soon after they disappeared, has now been indicted for their murders and moved to a jail. But she cannot be tried until a judge decides she is mentally competent. Nancy Grace is joined by forensics expert Sheryl McCollum reporter Cheryl White.

A librarian's observation of a man's reading habits helped pin a murder charge on him. Curtis Nichols allegedly researched legal defenses before strangling his wife to death. Anthony Weiner's day of reckoning for sexting with a teen has arrived. The former New York congressman is in court to learn how long he'll be in prison for sex messages to a girl. The parents of a 7-year-old kicked their son out of their Texas home because they believed he was possessed by a demon. Nancy Grace is joined by forensics expert Joseph Scott Morgan, psychologist Caryn Stark, reporter Steve Helling & child advocate Ashley Willcott.

Where nursing student Maura Murray went and what happened to the 21-year-old has been a mystery since a minor car crash on a winding road in New Hampshire’s White Mountains in February 2004. Maura's story has been the subject of a popular podcast, but now it gets the full investigative treatment with an Oxygen docuseries. Nancy Grace discusses the case with investigative journalist Maggie Freleng and former U.S. Marshall Art Roderick, the primary investigators in "The Disappearance of Maura Murray."

The latest installment in Oxygen's docuseries "The Disappearance of Natalee Holloway" features an interrogation of John Ludwick, the man who claims he helped suspected killer Joran van Der Sloot rebury the Alabama woman's remains after burning and crushing her skull. Investigative reporter Art Harris and forensics expert Joseph Scott Morgan join Nancy Grace in a discussion of the revelations.

Kevin Hart admits he made a mistake messing with a woman, but the comedian wants the FBI to arrest someone he claims tried to blackmail him with the video. Psycho-analyst Dr. Bethany Marshall and RadarOnline reporter Alexis Tereszcuk join Nancy Grace to look at the story. A Texas woman is charged with shooting her boyfriend, chopping him up & dumping him in garbage. Grace, Tereszcuk, Dr. Marshall and crime expert Joseph Scott Morgan discuss the Cierra Sutton case. Nancy & guests also talk to publicist Ed Lozzi, who's pushing an effort to convince Florida's governor to ban O.J. Simpson from the Sunshine State for at least two months after his October release from a Nevada prison. Lozzi argues that Florida needs time to recover from Hurricane Irma before it has to deal with Simpson.

A North Carolina man who blames an overdose of cold medicine for a bad dream that ended with his wife stabbed to death appears in court soon. Matthew Phelps calmly told a 911 dispatcher he was covered with dried blood and his wife was lifeless in their bed. Nancy Grace updates the cold medicine killer case with forensic psychiatrist Dr. Daniel Bober, radio host David Mack. An Alabama mother is jailed on a murder charge after her 10-year-old daughter died in a car crash. Karen Foster, allegedly was high on drugs when she crashed her car, killing daughter Malaya Peterson. Reporter Larry Meagher, forensics expert Sheryl McCollum, and psychoanalyst Dr. Bethany Marshall talk about the case with Nancy.

The boyfriend who allegedly murdered Laura Wallen told the pregnant Maryland teacher's father he had no contact with another woman for 2 years, but that was before police revealed Tyler Tessier was living with the second woman. "He is a monster and he is a liar," Mark Wallen said of the man accused of killing his daughter. Wallen's father and mother pretended at the request of police to not suspect Tessier as part of a strategy to get him to incriminate himself, police said. Nancy Grace discusses the case crime scene expert Sheryl McCollum, psychoanalyst Dr. Bethany Marshall, and reporter Leigh Egan. They also look at the first week of testimony in the trial of the Tennessee man accused of kidnapping, raping and killing Holly Bobo.

The pregnant Maryland teacher shot dead and left in a shallow grave had tried to talk to another woman with whom her boyfriend was also engaged to marry, police said. Investigators lured the boyfriend, Tyler Tessier, into speaking at a news conference while Wallen was still missing with the hope that his demeanor and words would help them solve the mystery. Tessier, 32, was charged with the murder of Lauren Wallen, 31. Nancy Grace digs into this homicide with forensics expert Sheryl McCollum,  psychoanalyst Dr. Bethany Marshall, and CrimeOnline reporter Leigh Egan.

Tyler Tessier publicly pleaded for his missing girlfriend's return, but he's now charged with the killing the pregnant Maryland teacher. Nancy Grace discusses Laura Wallen's murder, including r with crime scene expert Sheryl McCollum,  psychoanalyst Dr. Bethany Marshall & reporter Leigh Egan. Only Calif. Gov. Jerry Brown stands in the way of ex- Manson follower Leslie Van Houten's release from prison nearly 5 decades after she and other Manson family members were convicted in a Los Angeles murder spree. A parole panel has approved her release but Gov. Brown has the power to veto their decision. Grace discusses the decision with major crimes investigator Karen Smith and Alisa Statman, author of Restless Souls: The Sharon Tate Family's Account of Stardom, the Manson Murders, and a Crusade for Justice.

The long-delayed trial of the man accused of kidnapping and killing Holly Bobo in 2011 began with dramatic testimony by the dad, mom and brother of the murdered Tennessee college student. Reporter Shane Deitert and psycho analyst Dr. Bethany Marshall discuss the case and trial with Nancy Grace in this episode. Kansas City reporter Jessica McMaster and major crimes scene investigator Karen Smith also join Nancy to talk about a boy whose body was hidden in a cement wall after months of abuse that was allegedly ignored by social workers.

The search for Crystal McDowell, the mom of 2 who went missing just before Hurricane Harvey slammed into her Texas town, ended with the discover her body in a wooded area. Her ex-husband was jailed on a murder charge. McDowell's boyfriend visits again with Nancy Grace in this episode, along with Crime Stories contributing reporter Paul Chambers and psychologist Caryn Stark. Nancy also introduces listeners to her friend Josh Sabarra and his new novel Enemies Closer," which one reviewer describes as "The Devil Wears Prada meets Bridget Jones's Diary with a sinister Hollywood twist." 

For weeks after Ebby Steppach disappeared after a party in October 2015, Little Rock, Arkansas, police treated her case as if the 18-year-old high school senior had just run away from home. Detectives now investigating the cold case acknowledge mistakes were made early. Nancy Grace talks to Ebby's mother Laurie Jernigan and Doc Washburn of Little Rock's NewsRadio 102.9 about renewed efforts to find Ebby. Nancy also updates the Crystal McDowell probe. The Texas realtor was found dead and her husband has been charged with murder.

Child protective agencies that allegedly ignored horrific abuse that led to the death of young Adrian Jones and the feeding of his corpse to pigs are being sued by the boy's maternal grandmother. Kansas City reporter Jessica McMaster and child protection advocate Ashley Willcott join Nancy Grace in this episode to look at the latest in this shocking story. Adrian was 7 when he died while confined to a shower stall in his Kansas City in 2015, before his father, Michael Jones, fed his remains to pigs in order to conceal the death. His father and stepmother Stephanie Jones were both convicted of Adrian’s murder this year.

A wanna-be pastor who blames a cold medicine overdose for the nightmare murder of his wife faces the death penalty if convicted. Nancy Grace, crime scene investigator Sheryl McCollum, forensic psychiatrist Dr. Daniel Bober and radio host David Mack update the case of alleged cold med killer Matthew Phelps. This episode also includes Dr. Bethany Marshall and reporter Carmen Coya Van Duijn join us to discuss an abused girl in New York and the Penn State frat death case.

Crystal McDowell is still missing nearly 2 weeks after she vanished just before Hurricane Harvey hitting her Texas town. The last person known to have seen the 37-year-old realtor and mom of 2 -- boyfriend Paul Hargrave -- talks to Nancy Grace about her disappearance. Baytown, Texas, newspaper reporter Matt Hollis, forensic psychiatrist Dr. Daniel Bober and radio host David Mack also join the discussion. Nancy and guests also ask: Did too much cold medicine cause a husband to murder his wife in his sleep? A North Carolina man says he woke up to find his wife stabbed to death and he thinks the medicine made him kill her.

As Natalee Hollway's family waits for tests to confirm if bones found buried in Aruba are her remains, the man who led them to the grave hints there is a 2nd location where other body parts are hidden. Gabriel Madrigal opened up to Nancy Grace in this episode with details not included in the Oxygen series "The Disappearance of Natalee Holloway." He stopped short of disclosing secrets beyond a promise of "twists and turns" in the remaining episodes of the series, but he did suggest he has knowledge of a 2nd burial location. Cold Case Research Institute director Sheryl McCollum, investigative reporter Art Harris and psychologist Pat Saunders also joined Nancy on this episode.

Molly Bish was 16 when she disappeared from her life guard job at Comins Pond in Warren, Massachusetts 17 years ago. Her murdered remains were found on a mountainside three years later. No one has ever been arrested in Molly's kidnapping and murder. This is a case that Nancy Grace has closely followed for years. Molly's mom and sister join Nancy in this episode to revisit the evidence and discuss renewed efforts to find justice for Bish.

An A&E docu-series suggests investigators ignored several witnesses who claimed to have seen Laci Peterson walking her dog at a time that would have excluded Scott Peterson as the killer. Nancy Grace examines the claim with forensics anthropologist Dr. Heather Walsh-Haney, psychologist Dr. Bethany Marshall and RadarOnline reporter Alexis Tereszcuk.

Tex McIver waits in jail for a judge to decide if the prominent Atlanta lawyer accused of killer his wife can go to his mother's funeral. Atlanta defense lawyer Renee Rockwell and reporter Drew Nelson join Nancy Grace and Alan Duke to update the McIver case. They also look at charges against Louisiana millionaire Michael Handley who allegedly hired men to kidnap his ex-wife and the latest in the Fargo couple accused of killing Savanna Greywind and taking her unborn baby.

Natalee Holloway's parents wait as a forensics expert performs tests on what may be their daughter's bones. Investigative reporter Art Harris, medical examiner Dr. William Morrone and Nancy Grace discuss the process of confirming if the missing Alabama woman has been found in an Aruba grave. Reporter Drew Nelson joins Grace and Morrone to talk about a mom who allegedly was high on heroin while her child choked on a car seat belt. Grace also details the search for a Texas woman who went missing just before Hurricane Harvey hit Houston.