Authorities in Harris County, Texas are desperate to find Alfonso Diaz-Juarez, a convicted pimp, child molester and sexual predator, known for profiting from prostitution and sex trade trafficking.

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.

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

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 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.

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.

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

A search for Anthony Burroughs who is wanted for a 2000 murder in Arizona; a hunt for William Jordan who was convicted of a 1974 murder in Georgia but then escaped from prison in 1984.