As 'America's saddest trial' grips the world, who's really to blame for the deaths of these angelic children - the desperate mother suffering from 'postnatal psychosis'... or father in crosshairs of online sleuths? ⊖

To neighbours Patrick and Lindsay Clancy seemed like a typical young couple. Yet on a chilly winter's day three years ago, the lives of these outwardly normal, middle-class parents were consumed by t…