Season 1

Madeleine Smith was a 19th-century Glaswegian socialite who was sensationally accused of poisoning her lover. Discover if today's experts think she was truly guilty.

Oscar Slater was convicted of murder in 1909, but was he really a killer or in fact a victim of high-level conspiracy? The evidence is assessed.

Callous killer Donald Merrett murdered his mum, his wife and his mother-in-law before taking his own life in 1954. Learn more about the butchery that shocked Scotland.

Recalling the 1862 Sandyford murder case, in which Jessie McLachlan was accused of killing her friend with a meat cleaver. Hear the facts as her guilt is questioned.

Child killer Jessie King was the last woman to be executed in Edinburgh, being hanged for her crimes in 1889. But was her partner also guilty? Experts air their theories.

Scotland's most infamous murders revisited. Edward Pritchard poisoned his wife and mother-in-law in 1865 and was the last person to be publicly hanged in Glasgow.

Frenchman Eugene Chantrelle was hanged in Edinburgh's Calton Jail in 1878 for the murder of his young Scottish wife. We revisit the case that scandalised a nation.

A real Jekyll and Hyde case from the 1700s - discover the remarkable duplicity of respected Scottish tradesman Deacon Brodie, who led a secret life as a thief.