Lisa Willis denies repeatedly calling Mick Philpott in the weeks after she left the home on Victory Road in February 2012.
But when shown records of phone calls made from her to Mick Philpott, she accepts she may have rung him but doesn't remember doing so.
Following Derbyshire Fire Service's recommendations over having sprinklers in homes, here are the best ways to improve fire safety at home.
Speaking exclusively to ITV News, Dawn Bestwick said jail wasn't good enough for MIck Philpott and that "as a coward" he "deserved to die".
The events that eventually led to parents Mick and Mairead Philpott and friend Paul Mosley's conviction of manslaughter.