20/20
03/31/23: A college student is murdered after being stalked.
03/31/23: A college student is murdered after being stalked.
01/29/2021: A man who claims to have killed his wife while sleepwalking opens up about the incident.
02/17/23: A mother and daughter are murdered; the killer sends taunts.
09/20/2019: Detectives use DNA evidence to solve a nearly 30-year-old cold case.
02/03/23: A case of self-defense or murder when a father ends up dead.
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.
09/08/23: The investigation of the Gilgo Beach murders, featuring interviews.
05/12/23: A serial killer's family member reveals shocking secrets he kept.
01/10/2020: Pamela Smart talks about the possibility for a new chance at freedom.
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.
11/29/22: A mysterious overdose kills a new mom. Did she leave behind clues?
02/23/2018: A son orchestrates a murder-for-hire plot that injures him and kills family members.
06/22/2018: 20/20 reports on Kim Pack's five-year-long fight for justice after her mother.
10/26/2018: 20/20 updates its 2015 story on Daron Wint.
11/30/2018: A woman convicted of killing her husband claims she blacked out during the murder.