Bartlomiej Kuczynski, 45, his daughters Jasmin, 12, and Natasha, eight, and his sister-in-law, Kanticha Sukpengpanao, 36, were all found dead from stab wounds in Costessey, near Norwich.
Medical staff spoke to Bartlomiej Kuczynski, 45, when police brought him in after finding him near his home following a missing person report. But they concluded he was no risk to himself or others.
A father found dead next to the bodies of his two daughters and sister-in-law called the emergency services concerned about his own mental health just an hour earlier, it emerged yesterday.
The body of Bartlomiej Kuczynski, girls Jasmin, 12, and Downreuang, seven, and their aunt were found at a property in Costessey, near Norwich, on Friday morning.
Bartlomiej Kuczynski was taken to hospital by officers from Norfolk Police for an assessment weeks ago but he somehow was able to leave the site in Colney, Norfolk, unescorted