Cases profiled: Douglas Aigen, Jaber Elbaneh, Gonzalo Harrell-Gonzales, Brian Wells killer.

Cases profiled: Christian Rodriguez, Ernest Rajkumar, Lovekesh Kumar, Jesse James Hollywood, German Azua, Colleen Perris, Alexis Patterson, Heaven Ross, Leanna Warner, Diamond Bradley, Tionda Bradley, Jahi Turner, Rilya Wilson, Sofia Juarez.

Cases profiled: Gerardo Martinez, Werner Gomez, Anthony Chang, Loren Trites, Victor Garcia, Martin Altamirano, Michael Brashar, Shakira Johnson, Amy Bradley, Unknown Male #1, Unknown Male #2

Cases profiled: Hai Thanh Le, Uyen Nguyen, Brian Wells killer, Pete Marron, John Stoneman, Patricia Kelley, Anthony Lee, David Fuster, Steven Mercer, The Boy in the Box.

Cases profiled: Larry Woods, Terrence Washington, Dan Robertson, Ricky Sleight, California fire suspect #1, California fire suspect #2, Pete Marron, John Stoneman, Patricia Kelley, Douglas Aigen, Jose Salaz, Glen Godwin, Dennis Lilly, Scott Hornick, Marcellus Henderson, Terron Vernon, David Stack killer, Stephen Recker, Jessica Shores, Cecilia Zhang.

Cases Profiled: Buddy Beavers, Jose Quinones, Scott Eizember, Aaron Anderson, Eduardo Rodriguez, Jason McVean, Oscar Cabrera, Recepp Ahmedoff, Calvin Inswood, Jorge Campos-Espinoza, Phillip Williams, Marquis Jobes.

Cases Profiled: Dean Maust, Dino Smith, Troy Smith, Sok Ung killer, Scott Eizember, Randolph Dial, Jean-Marie Jean Francois, Bobbie Parker, Mickey Wright, Amanda Berry.

Cases Profiled: Helen Schlapak, Carmen Cabrera, Natia Johnson, Greisy Valencia, Desiree Lingo-Perkins, Clown bandit, John Stoneman, Patricia Kelley, Aaron Anderson, David Garcia, Hai Thanh Le, Terrence Washington, Jose Salaz, Scott Eizember, Las Vegas backyard body

Cases Profiled: Michael Marks, Miguel Lopez, Larry Chism, Xerox Credit Union killer, David Kemp, Scott Brinegar, John Stoneman, Patricia Kelley, Francisco Martinez, Floyd Williams, Shawn Gilreath, Chaunson McKibbins, Larry Hentz, Elizabeth Hentz, Andre Neverson

Cases Profiled: Dino Smith, Troy Smith, Michael Marks, Carlos Medina, Band-Aid Bandit, Band-Aid Bandit accomplice, Aaron Anderson, Robert Fisher, Jonathan Luna killer, Mary Lou Morris killer, Mary McGinnis Morris killer

Cases Profiled: Daniel San Diego, Gordon Myers, Leonardo Cisneros, Stanley Obas, Richard Sanchez, Sr., Santa bank robber, Howie Steindler killer #1, Howie Steindler killer #2, Richard Sanchez, Jr., Christopher Sanchez, Daniel Sanchez

Cases Profiled: Richard Peters, Derek Maddox, Michel Barrera, Fethi Jelassi, Marvin Mercado, Alejandro Santana, Oakland carjacker

Cases Profiled: Jessi Vega (10), Marcus Head (9), John Stoneman (8), Patricia Kelley (7), Greisy Valencia (6), Christian Rodriguez (5), Douglas Aigen (4), Eduardo Rodriguez (3), Lovekesh Kumar (2), Pinkney Carter (1), Octiveio Gomez

Cases Profiled: Gregory Moyer, Patty Carrion, Leonard Harper, Jenny Liang, Heather Tallchief, Roberto Solis, Dean DeSimone killer #1, Dean DeSimone killer #2, Jennifer Servo killer

Cases Profiled: Charlie Ramos, Geovanni Ramos, Keith Cojocar, Marcus Head, Indepdence shootout, James Johnson, Peter Hommerson, Michel Barrera, John Stoneman, Patricia Kelley, William Hill killer #1, William Hill killer #2, Nancy MacDuckston

Cases Profiled: Jerry Bowen, Danquon Brown, Jaime Garcia, Michael Marks, Appleton attacker, Alvin Scott, John Mizic, Karen Mizic, Billy Brossman killer, John Addis, Larry Burns, Spalding Gray, Keith Walton, Octavius Walton

Cases Profiled: Antonio James, Herman Carroll, Mustapha Atat, Barbara Kriewald killer, Phillip Ferguson, Christa Rogaliner

Cases Profiled: Saul Aguilar, Jr., Miguel Gonzalez, William Plemons, Shawn Windsor, Dino Smith, Troy Smith, Daniel Price killer, Lauderdale Lakes thieves

Cases Profiled: Internet John Doe #1, Internet John Doe #2, Herbert Rodriguez, Gerald Hemp, William Phillips, Argelio Aguayo, Gianni Gugliatto, Monica Valdizan killer, Michael Hargon, Rebecca Hargon, James Hargon

Cases Profiled: Thomas Johnson, Ismael Zambada-Garcia, Cory Smith, Elizabeth Duke, Internet John Doe #1, Monica Valdizan killer, Todd Coleman, Indiana robber, Indiana robber accomplice

Cases Profiled: Internet John Doe #3, Vernon Coleman, Terrence Washington, Ronnie Drane, Daniel San Diego, Argelio Aguayo, Andre Neverson, Sofia Juarez, Midtown Jane Doe

Cases Profiled: Oscar Torres-Chavez, Neil Newmister, Anibal Mustelier, Colleen Perris

Cases Profiled: Chaka Raysor, Jose Vizcaino-Ramos, Michael Alfonso, Wilfred Cotaya, Errol Domangue, Dimitrios Androutsopoulos, Oliver Berry, Wheaton robber, John Mizic, Karen Mizic

Cases Profiled: Alejandro Romero, Angel Salgado, Cesar Lucero, Douglas Aigen, Mark Holsombach, William Frazier, Dudley Forbes, Orville Cochran, Brian Wells killer

Cases Profiled: Rufino Castaneda, Jose Quiroz, David Kemp, Malaika Griffin, William Fischer, Vuthy Sok, Amanda Berry, Georgina DeJesus

Cases Profiled: Dion Koglin, Douglas Aigen, Michael Coppola, James Bulger, Carol Miller killer, Amanda Berry, Georgina DeJesus

Cases Profiled: Cuitlahuac Rivera, Mikhail Drachev, Donald Crosby, Rafael Valadez, John Mizic, Karen Mizic, Monica Valdizan killer, Hudson Funeral Home killer, Douglas Aigen

Cases Profiled: Shawn Bovee, Tracey Boyce, Eric Johnson, Riverside armored car killer, Anibal Mustelier, Othmaro Orellana

Cases Profiled: Ioannis Koutoumanos, Peter Cunningham, Skerdi Zena, Juan Hernandez-Mendoza, Michael Alfonso

Cases Profiled: Armando Garcia, Carl Djusberg, Robert Brown, Brittany Fish abductor, Winston Whittingham