BBC Scotland Investigates - Season 2017 Episode 3 -

Lisa Summers reveals new evidence about why three children died in Fife in 2014 despite social work involvement. Why did Liam Fee, Madison Horn and Mikaeel Kular die and could more have been done to protect them? Lisa hears from key witnesses who have never spoken before, as well as department insiders. And the programme reveals serious concerns about whether we've been told the whole truth about cases which shocked the nation.