The religious leader of a Hindu community in Texas flees after being convicted of sexually abusing the children of his followers.

Authorities in Texas are searching for William Joseph Greer who confessed to having murdered his girlfriend Tammy Esquivel, a divorced stripper in 2006, but has managed to stay one step ahead of the law.

A trusted neighbor disappears after facing multiple charges of child molestation, and new evidence in an old case leads to a manhunt for the suspect.

A serial child molester preys on young women in his own family for two generations, then vanishes just before his 12-year-old daughter is about testify at his trial.

A Texas woman, Jennifer Puente, is being sought in connection with the horrific and brutal murder of her best friend in 2012, and already her accomplice/boyfriend is serving 34 years for his part in the crime.

Two brothers kidnap and torture prostitutes, until one victim escapes and leads police to their house of horrors.

A woman hires a man to beat her estranged husband to death; a serial molester in Oregon abducts two women at knifepoint.

After brutally slaying his entire family and torching their bodies, a former diplomat flees overseas, where he eludes authorities for decades.

A mother kills herself and her son disappears. A man allegedly kills four members of his ex-girlfriend's family.

A search for Jorge Rueda Landeros, who is wanted in connection with the 2010 murder of American University accounting professor Sue Ann Marcum.

A search for Elby Hars, who allegedly abused a young girl in Columbia, S.C.; a hunt for Eugene Palmer, who allegedly shot and killed his daughter-in-law.

Accounts of a Nebraskan alleged serial rapist and two members of the L.A. Boyz gang, brothers, who may be hiding in Mexico.

Season 2 begins with John Walsh providing updates on Season 1 fugitives who are still at large. Also: a recap of captured suspects and closed cases.

Season 3 begins with John Walsh offering updates on fugitives still at large and those who have been captured, resulting in closed cases.

Police hunt Robert William Fisher who is wanted for the 2001 murders of his wife Mary and their two children; police pursue Honolulu couple John and Julieanne Dimitrion who are wanted for mortgage fraud.

A serially abusive stepfather is accused of sexually assaulting his stepdaughter for 15 years; a young police officer is accused of murdering his wife and molesting a 9-year-old student.