John searches for Erik Arceneaux, a prime suspect in the murder of a devoted single mom, whose family needs justice. Later, Cal learns the dark truth behind Mark Blevins, an accused sexual predator who has been on the run for over thirty years

John joins the hunt for Brian Ontiveros, who police believe killed his ex-girlfriend in a fit of jealousy. Later, a woman’s mysterious death has Cal join police in the search for Robert Kuehn, who’s been in the wind since 2013

When a young woman is murdered, police suspect her boyfriend Carlos Torres, but before his trial, Torres cuts off his ankle monitor and flees. Cal joins the hunt for Bill Brockbrader, a child predator wanted for failure to register as a sex offender.

A woman's murder leads police to suspect her husband - and former prison pen pal - William Plemons, who's been on the run since 2003. Cal joins the hunt for suspected murderer and arsonist Darryl Walker in Georgia.

A single mom is murdered, and police suspect Isaac Estrada, a man she'd just met. Estrada flees, and John is in close pursuit. Cal goes behind the scenes of Miami's luxury car rental business, helping police hunt down alleged killer Nalio Williams.

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

John aids investigators in pursuit of fugitive Pedro Espinoza, accused of two senseless murders in a two-year span. Later, after an 85-year-old woman is brutally stabbed to death, Cal joins the hunt for the alleged killer, Ervis Mecollari.

When a couple is murdered, police suspect vengeful relative Kevin Anderson, and John aids the hunt for this fugitive of justice. Later, Cal helps police track down Martin Munoz, accused of heinous sexual assaults against his own daughters.

John joins the hunt for Adarus Black, who allegedly killed a young woman in broad daylight. Later, Cal's in San Diego to help track down Michael Pratt, whose pornography ring allegedly ensnared over 100 women using fraud, coercion, and possibly force.

John is in pursuit of fugitive Jason Hines, accused of sexually abusing multiple minors and possibly involved in his wife’s disappearance. Later, a slew of women allege they were sexually assaulted by chiropractor Steven Clifford on the run since 2002.

John joins the hunt for fugitive Hector Hugo Ramirez-Lopez, suspected of both murder and sexual assault. Cal uncovers dark family secrets in the case of Sherman Jackson, who's been on the run since 2010.

John's on the hunt for Jorge Rico-Ruvira, accused of murdering his girlfriend in 2020 and abducting their young son. Later, John and Cal shine a spotlight on the case of 15-year-old Sophie Reeder, who was abducted in 2017 and may be in grave danger.