In the final episode of this season's 'Can You Solve It?' podcast, Irdina and Izuin delve into the case of William George Heirens, who allegedly murdered three victims between June 1945 and January 1946. He gained the nickname 'Lipstick Killer' after leaving a notorious message scrawled in lipstick at one of the crime scenes.

The murders in this week's episode took the police 35 years to solve and it was only because the murderer confessed to his murders. Join Irdina and Izuin, joined by their guest Haziq as they uncover the crimes of Samuel Little who confessed to murdering 93 individuals between 1970 and 2005.

Doctors are typically individuals we trust with our health, but Dr. Harold Shipman exploited his victims by administering a high dosage of morphine. How did the authorities discover this? Join Irdina and Izuin as they uncover Dr. Harold Shipman's motives in this week's episode of Can You Solve It?

Takahiro Shiraishi comforted people contemplating ending their lives and took advantage of them. In this episode of Can You Solve It?, Dina and Izuin discuss the chilling case of 'The Social Media' killer.

Robert Lee Yates better known as The Grocery Bag Killer, was a family man. He has 5 children and was a war hero. So why did he have the urge to commit murder?

Irdina and Izuin discuss the thrilling case of Robert Lee Yates and figure out his motive in Can You Solve It?

Stephen Port searched for his victims on dating apps and took advantage of those looking for love. Join Irdina and Izuin as they discuss the case of Stephen Port in this week's episode of Can You Solve It?

We rarely talk about female serial killers. So this week, Irdina, Izuin, and their guest, Lauren discuss the case of Juana Barraza or better known as The Little Old Lady Killer who was convicted for the murder of 16 women.

Yoo Young-chul or The Raincoat Killer, is a South Korean serial killer, sex offender, and self-confessed cannibal. Yoo Young-chul's targets were mainly sex workers and wealthy old women. Join Irdina and Izuin this week as they analyse Yoo's case and identify his motive for murder.

Ahmad Suradji, better known as Nasib Klewang, was an Indonesian serial killer who killed to fulfill one of his darkest dreams. Join Irdina and Izuin in this episode as they discuss his case and unravel how he got caught by police enforcement.

Join Irdina and Izuin as they discuss notorious serial killers in this series first episode of 'Can You Solve It?'. Dennis Nilsen, a Scottish serial killer and necrophile murdered at least twelve young men and boys between 1978 and 1983 in London. Convicted at the Old Bailey of six counts of murder and two of attempted murder, Nilsen was sentenced to life imprisonment on 4 November 1983. But what was his motive and how did he get caught?