18x42 Episode 1842 (September 03, 2005)

18x41 Episode 1841 (August 27, 2005)

18x40 Episode 1840 (August 20, 2005)

18x39 Episode 1839 (August 13, 2005)

18x38 Episode 1838 (August 06, 2005)

18x37 Episode 1837 (July 30, 2005)

18x36 Episode 1836 (July 23, 2005)

18x35 Episode 1835 (July 16, 2005)

18x34 Episode 1834 (July 09, 2005)

18x33 Episode 1833 (July 02, 2005)

18x32 June 25, 2005 (June 25, 2005)

18x31 June 18, 2005 (June 18, 2005)

18x30 June 11, 2005 (June 11, 2005)

Cases Profiled: Domingo Valdez, Douglas Holler, Mark Everett, Rogelio Deaquino, Andre Neverson, Elby Hars, Lake Pontchartrain Jane Doe killer, Victor Hernandez, Benjamin Everett, Ana Acevedo, Lisa Sexton. Captures Profiled: James Johnson

18x29 June 4, 2005 (June 04, 2005)

Cases Profiled: John Lockhart, Artur Martirosyan, Anibal Mustelier, Malaika Griffin, Daniel San Diego, Casey Jo Pipestem killer, Natalee Holloway, Brooke Wilberger. Captures Profiled: Juan Nieto

18x28 May 28, 2005 (May 28, 2005)

Cases Profiled: Martin Altamirano, John Addis, James Moran, Joanne Chesimard, Walentina Knapek, Sgt. Greg Martin killer, Idaho triple murderer, Dylan Groene, Shasta Groene, Lindsay Harris Captures Profiled: Phillip Williams

18x27 May 21, 2005 (May 21, 2005)

Cases Profiled: Phillip Williams, Emanuel Veiga, Idaho triple murderer, Shasta Groene, Dylan Groene, Pamela Waldher Captures Profiled: David Saracino

18x26 May 14, 2005 (May 14, 2005)

Cases Profiled: Marcelo Montalvo, Francisco Diaz-Marroquin, Ivan Villa, Daniel Hiers, Mark Grossi, Sebastian Barba, Raul Garcia-Gomez, William Looney, Ronald Fischer, Gerren James, Justin Black, Tracey Gardner-Tetso Captures Profiled: Russell Winstead

18x25 April 16, 2005 (April 16, 2005)

Cases Profiled: Kenneth Cofer, David Lopez, Ruben Lopez, William Fischer, Angelo Ravella killer, Sarah Lunde Captures Profiled: Fabian Smart, Willie Williams, Jermaine Ballard, Quincy Teel

18x24 April 9, 2005 (April 09, 2005)

Cases Profiled: Joel Urena, Sajjad Rasheed, Michael Soutar, Teddy Ellis, Troy Smith, Rashawn Capers Captures Profiled: Randolph Dial, Dino Smith, Bobbi Parker (Recovery)

18x23 April 2, 2005 (April 02, 2005)

Cases Profiled: Mustapha Atat, Jason Brown, Rashawn Capers, Mikhail Drachev, Peter Hommerson, Christian Rodriguez, Greisy Valencia, Amanda Berry, Gina DeJesus, Jason Brown witness Captures Profiled: Jesse James Hollywood

18x22 March 26, 2005 (March 26, 2005)

Cases Profiled: Daniel Hiers, Gary Lasher, Michel Barrera, Jorge Lopez-Orozco, Joseph Burgess, Jason Allen/Lindsey Cutshall killer, Bianca Piper Captures Profiled: John Couey, Jahbir Fowle, Alfonso Fowle

18x21 March 19, 2005 (March 19, 2005)

Cases Profiled: Fairmount Park killer, Chas Berry, Russell Winstead, Paulo Lopez-Garcia, Christian Lopez, Lawrence Wayne, Raheem Edwards, Mark Degner, Bryan Hayes Captures Profiled: Jason Mori

18x20 March 12, 2005 (March 12, 2005)

Cases Profiles: Joaquin Guzman-Loera, David Anguiano, Juan Carlos De La Reyna, Charles Jackson, Misty Jackson, Victor Vargas, Joseph Shegog, Marcus Head, David Saracino, Yvette Martinez, Brenda Cisneros, Gina DeJesus, Jessica Lunsford, Danielle Imbo, Richard Petrone Captures Profiled: Dustin Pino, Jesse Hollywood, Alfonso Fowle, Jahbir Fowle

18x19 March 5, 2005 (March 05, 2005)

Cases Profiled: Angel Mendoza, Andre Neverson, Michele Comstock, Frederick Wanamaker, Michael Lefkow/Donna Humphrey killer, Yvette Martinez, Tamika Huston, Samuel Porter, Lindsey Porter, Jessica Lunsford Captures Profiled: Dennis Rader (BTK serial killer)

18x18 February 26, 2005 (February 26, 2005)

Cases Profiled: Craig Petties, Mark Everett, Ignacio Bahena, Randy Yager, Emigdio Preciado, Chaka Raysor, Wayne Chin, Riverside armored car killer, Benjamin Everett, Jessica Lunsford, Alexis Patterson, Nancy MacDuckston, Nancy MacDuckston companion Captures Profiled: Daniel Farinholt, Dennis Rader (BTK serial killer)

18x17 February 19, 2005 (February 19, 2005)

Cases Profiled: Elber Vazquez, Armanious family killer, Russell Winstead, Carey Price, John Hemmers, Ronald Lennon, Robert Short, Jason Brown, Brent Brents Captures Profiled: Jerry Wiggins (Monica Valdizan killer)

18x16 February 5, 2005 (February 05, 2005)

Cases Profiled: Loren Trites, Marvin Mercado, Stephanie Meares, Francisco Guzman, Dustin Pino, BTK serial killer, Lake Pontchartrain Jane Doe, Lisa Sexton, Ashley Martinez Captures Profiled: Jeffrey Manchester

18x15 January 29, 2005 (January 29, 2005)

Cases Profiled: Jason Brown, Fethi Jelassi, Robert Fisher, BTK serial killer, Katlyn Collman, Jason Brown witness Captures Profiled: John Stoneman, Patricia Kelley, Frederick Fretz

18x14 January 22, 2005 (January 22, 2005)

Cases Profiled: Arnulfo Vargas, Alejandro Romero, Angel Salgado, Cesar Lucero, David Drain, Eric Dahlman, Andre Neverson, Rudolfo Negrete, Larry Woods, Steven Sanchez, Brianna Maitland, BTK serial killer Captures Profiled: Chaunson McKibbins, Frederick Rosato, Teri Anderson, Kevin Nolen

18x13 January 8, 2005 (January 08, 2005)

Cases Profiled: Jason Brown, Anita Raughton, Jacer Medina, Justin Smith, Internet Jane Doe, BTK serial killer, Littleton suspect #1, Littleton suspect #2, Heaven Ross, Shelbie Smith Captures Profiled: Eduardo Flores, Tobias Lee

18x12 January 1, 2005 (January 01, 2005)

Cases Profiled: Helen Walker killer, Jerred Hernandez, Scott Brinegar, Vickie Nash, Phillip Ferguson, Rosa Sandoval Captures Profiled: Donald Crosby

18x11 December 18, 2004 (December 18, 2004)

Cases Profiled: Emigdio Preciado (10), Paul Eischeid (9), Gary Lasher (8), Mark Everett (7), Greisy Valencia (6), Damar Pink (5), Timothy Marino (4), William Plemons (3), Jahbir Fowle (1/2), Alfonso Fowle (1/2), Benjamin Everett, Joanna Rogers

18x10 December 11, 2004 (December 11, 2004)

Cases Profiled: BTK serial killer, John Addis, Victor Gerena, Sophie David, Phillip Hughes, Emily Rimel Captures Profiled: Benjamin Appleby (Ali Kemp killer), Tobias Lee

18x09 December 4, 2004 (December 04, 2004)

Cases Profiled: Lucian Kozminski, Avelino Alvarado, Rufino Castaneda, Timothy Coombs, Francisco Guzman, Tobias Lee, Bao Luong, Timothy Marino, Damar Pink, BTK serial killer, East attempted abductor, Jesus Alvarado Captures Profiled: William Barefoot

18x08 November 20, 2004 (November 20, 2004)

Cases Profiled: Kimberly Alvarado, Marissa Pomarico, Hazel Head, Monique Bell, Rashan Boone, Lexie Fennell, Justin Scaglione, Ran Mesika, Key West Baby Doe, Valentine's Jane Doe, Possible Key West Baby Mother, Possible Key West Baby Father, Possible Key West Baby Friend Captures Profiled: Desiree Lingo-Perkins

18x07 November 13, 2004 (November 13, 2004)

Cases Profiled: Juan Nieto, Katie Sepich killer, Crystal Vigil, Las Cruces killer #1, Las Cruces killer #2, Gary Lasher, You Zhu Captures Profiled: Reinaldo Silvestre

18x06 November 6, 2004 (November 06, 2004)

Cases Profiled: Gary Lasher, Arnulfo Vargas, William Barefoot, Gonzalo Harrell-Gonzalez, Billy Brossman killer Captures Profiled: Cole Ford, Darryl Williams

18x05 October 22, 2004 (October 22, 2004)

Cases Profiled: Helen Walker killer, Jerred Hernandez, Scott Brinegar, Frederick Rosato, Phillip Ferguson, Juan Marte Captures Profiled: Donald Crosby

18x04 October 2, 2004 (October 02, 2004)

Cases Profiled: Antonio Delacruz, Daniel Farinholt, Armando Garcia, Emigdio Preciado, Mark Everett, Matthew Glover, Benjamin Everett, Molly Dattilo Captures Profiled: Rason Horton

18x03 September 25, 2004 (September 25, 2004)

Cases Profiled: Damar Pink, Danny Moran, Lucian Kozminski, Rebecca Braun, Mark Jackson Captures Profiled: Shawn Windsor, Butch Hinton (Shannon Melendi killer)

18x02 September 18, 2004 (September 18, 2004)

Cases Profiled: Brian Jones, Alfonso Fowle, Jahbir Fowle, Jeffery Manchester, Rason Horton, Sherlyn Fleming killer, Jason Richards, Eric Watkins, Mikhail Drachev.

18x01 September 11, 2004 (September 11, 2004)

Cases Profiled: Alfonso Fowle, Jahbir Fowle, Ali Kemp killer, Larry Raifsnider, Kevin Nolen, Paul Eischeid, Douglas Wistrom, Adnan El Shukrijumah, Darryl Williams Captures Profiled: Edward Raifsnider