Detective Chief Inspector Rob Griffin, from the East Midlands Major Crime Unit, has told ITV News Central Susan and Christopher Edwards displayed a heartless attitude from the moment they were arrested.
More top news
Apart from a few showers, mainly in the morning, there will be a good deal of dry and bright weather.
Any cloud and rain will clear eastwards initially, leaving brighter conditions but also a scattering of showers through the day.
Rain possibly heavy at times. Relatively mild overnight.