20/20
06/05/2020: Interviews with daughters of Karl Karlsen.
06/05/2020: Interviews with daughters of Karl Karlsen.
05/20/22: A couple is killed in their home, possibly to hide a secret double life.
05/13/22: Serial killer targets women he knows insight from a profiler.
11/11/22: A bible holds the clues in the case of a murdered farmer.
06/14/2019: When a woman is found unresponsive in her bathtub.
04/01/22: Unraveling the web of lies of a woman whose husband turns up dead.
10/28/22: Video evidence leads police to the killer of an Arkansas senator.
09/22/2017: 20/20 investigates a double murder-for-hire plot.
07/10/2020: A look at Jeffrey Epstein's life and background.
07/17/2020: In 2017, authorities reopen the investigation into the 1983 murder of a young Black man.
11/04/22: Decades after Girl Scouts are murdered, police revisit the case.
03/20/2020: A a podcast renews interest in a cold case and helps lead to authorities solving it.
03/10/23: A man wakes up to find his fiancée dead a shocking confession.
4/14/2023: A husband goes from victim to murder suspect a wife's secret recording changes everything.
10/30/2020: A killer terrorizes idyllic California neighborhoods in the 1970s and 1980s.
11/15/2019: When a scholar goes missing, a suspect's girlfriend works with the FBI.
01/27/23: A mom is found dead in her luxury apartment.
10/05/2018: Crime scene evidence and a genealogical website leads to an arrest in a cold case.
02/24/23: An Instagram model's relationship with an older man turns deadly.
11/01/2019: A man is convicted of killing his 8-month-pregnant wife.