In Pursuit With John Walsh

Salvador Vaca Garcia is on the run after being accused of murdering his ex-girlfriend. Then, a man allegedly killed his fianc? after their engagement was called off.

Ex-marine Raymond McLeod seemed to be single mum Krystal's knight in shining armour. But, one night he allegedly strangled her in a hotel and fled the country.

Mike Bullinger had a secret double life that led him to kill three times. Plus, Tomas Gonzalez is accused of sexually abusing and killing his stepdaughter.

John Walsh profiles a man who is believed to have murdered his ex-girlfriend. Callahan Walsh investigates a St. Louis man accused of shooting a pair of twins.

Two former classmates shared a whirlwind romance, but he's been missing since her and her dog were killed. And, drunk driver Gloria Schulze repeatedly cheats the law.

John Walsh tracks the story of convicted killer Glen Stark Chambers, who murdered his young girlfriend and then escaped prison twice.

John Walsh steps up his hunt for a fugitive who police believe brutally murdered his estranged wife Cati Blauvelt on October 24, 2016, in South Carolina.

John Walsh looks at a case involving a daughter and her dead mother. Plus, he speaks to an alleged victim of Frederick McLean's abuse who's desperate for his arrest.

John Walsh investigates how the son of a preacher allegedly turned to murder. Later, Callahan Walsh tries to make sense of a murder committed in broad daylight.

John Walsh explores the case of youthful con man who allegedly preyed on older men until it turned deadly.

An unspeakable tragedy hits a small community and sends John in pursuit of outlaw Jory Worthen. Callahan takes on the case of an offender with a dark past.

John joins the hunt for a woman who allegedly hired a hitman to murder her husband. Later, Cal pursues a man accused of killing the lawyer who was suing him.

John aids investigators in pursuit of a fugitive accused of two senseless murders in a two-year span. Cal hunts for the alleged killer of an 85-year-old woman.

John joins the hunt for the alleged killer of a young woman in broad daylight. Later, Cal's in San Diego to help track down man who allegedly ensnared over 100 women.

When a couple is murdered, police suspect a vengeful relative. John aids the hunt for this fugitive. Later, Cal helps police find a man accused of heinous sexual assaults.

John chases a fugitive accused of abusing multiple minors and suspected of his wife's disappearance. And, a slew of women allege they were sexually assaulted.

John hunts Hugo Ramirez-Lopez, a fugitive suspected of murder and sexual assault. And, Cal pursues a man who has been on the run since 2010.

John hunts for a man accused of murdering his girlfriend and abducting their young son. Later, John and Cal seek a young woman who was abducted in 2017.

John hunts for William Strand, who police believe killed his ex-girlfriend. Later, Cal pursues Leslie Lagrotta, a suspect accused of sexually assaulting women.

John hunts Jonathan Dorado, wanted for killing a pregnant woman in an act of misplaced gang revenge. Cal pursues a suspect accused of conning a vulnerable woman.

John joins the search for Celina Mays, whose disappearance draws police attention to her family-run, allegedly "cult-like" church. Cal pursues alleged killer Efren Meza.

When a man is senselessly gunned down at a party, police learn it may be a case of mistaken identity. John joins the hunt for the suspect.

When a young girl goes missing after a night out in Vegas, police suspect her drinking companion and old friend Erick. John joins the hunt for this alleged killer.

John helps police track down a man accused of carjacking a couple and murdering one of them. Later, Cal joins the hunt for an online predator.

When a young father is executed, police learn the shooter may have been his close childhood friend. John helps track down the alleged killer.

John joins the hunt for a man accused of murdering his girlfriend in an act of petty jealousy. Cal helps find an unemployed metalhead accused of sexual abuse.

John goes after Eduardo Clemente, the prime suspect in his girlfriend's murder. Cal hunts down Emigdio Ramirez Garcia, accused of murdering his wife in 1997.

John is in pursuit of a couple accused of murdering a retiree and selling off his assets. Later, John and Cal hunt for the mysterious Boca Raton Mall murderer.

John hunts for Omar Cardenas, the prime suspect in the murder of a devoted father. Later, Cal tracks Justin Smith, accused of murdering his pregnant girlfriend.

John tracks prison escapee Jose Bustos-Diaz, suspected in another killing. Cal pursues Benjamin Williams, accused of murdering his ex-girlfriend in front of her children.

John is on the trail of fugitive Larry Hicks, accused of murdering a woman in Plattsburgh, NY. Callahan heads to Texas to examine accused predator Steven Leifeste.

John hunts Jovanny Romo Arellanes, who police say killed his ex-girlfriend. In Atlanta, Callahan seeks answers in a case involving Steven Oboite.

In pursuit of Dylan Harrington, John takes on a chilling murder case in remote Washington State. Callahan travels to Colorado to help police hunt down Andrew Rosa.

John profiles Luis Montes, accused of murdering his on-again-off-again girlfriend. Callahan shines a light on two victims of gun violence in Chicago.

John and Callahan hunt down accused killer John Galvao-Sahb, and Dublas Gonzalez, an alleged perpetrator of a twisted case of child sexual abuse.

John profiles accused financial fraudster Ruja Ignatova. And Callahan pursues Freddy Calle, accused of sexually abusing a teenage girl.