A 19-year-old man has admitted murdering his mother and two siblings in a shooting at a tower block.
Juliana Prosper, 48, Kyle Prosper, 16, and Giselle Prosper, 13, were found dead at their home on the Marsh Farm estate in Luton on 13 September.
Nicholas Prosper, of Leabank in Luton, appeared at Luton Crown Court by video link on Monday.
He also pleaded guilty to purchasing or acquiring a shotgun without a certificate, possessing a firearm with intent to endanger life and possessing an article with a blade or point.
