India, Oct. 21 -- The Koodathayi murders which unfolded over a period of 14 years between 2002 and 2016 in Kerala's Kozhikode is a classic example to show that how the lust for money can drive human beings to compulsive killing behaviour.

Yes, a cursory look at the recently arrested 47-year-old Jolly Amma Joseph's face does not fit the definition of a serial killer. Of course, appearances can be rather deceiving. The manner she planned and killed six members of her family, with the help of Mathew, a jewellery shop owner and Praji Kumar, a goldsmith who have also since been arrested shows she had well-calculated plans.

The Police too seem to find the case and collection of evidence which is crucial quite challenging as the first murder too...