6 killed over 14 years: Macabre tales of cyanide killer Jolly

In this episode of In Depth, we unravel Kerala's mysterious cyanide murders. Between 2002 and 2016, the affluent Ponnamattom family had lost six members in mysterious yet strangely similar circumstances. Seventeen years after the first death, Kerala Police say one woman is behind each of the death -- the only person who witnessed all the deaths and that is the 47-years-old Jollyamma.

Watch the her story here.