- Sean Ziemelis, 31, attacked a seven-month-old baby at a flat in Luton last year
- A court heard he was high on cannabis when he threw the child out a window
- He also threw the child's mother out of a window. Both escaped major injury
Mr Lofthouse said there were concerns about Ziemelis' behaviour after he had taken cannabis the previous night. He had been discovered with his genitals out while on top of a dog in an alleyway.
Then at 2am on August 1 last year the child's mother found him with his thumbs in the eyes of the baby. When she screamed for help he started to strangle the boy.
Ziemelis produced a green-handled knife and when he was hit with a piece of wood by the grandmother of the little boy he threw that woman across the room before punching the mother until she fell in and out of consciousness.
The prosecutor went on: 'He picked up (the boy) and dangled him out of window of first floor flat for a couple of minutes. A crowd had gathered because of the commotion. People were shouting not to hurt the baby.
'He threw the baby to the left, away from the people as if he did not want them to catch him, but he was caught.'
Ziemelis then bit the mother's toe before throwing her out of the window. Her fall was broken because the onlookers had placed bins underneath the window. She suffered cuts, bruises and a loose tooth.
The police arrived and found him on his back wearing only a pair of shorts, covered in blood. He said: 'I feel broken all over.' He said he did not remember throwing either the baby or woman out of the window. Asked what would happen if a baby was thrown out of a window he said: 'They would die.'
His blood was tested and it indicated he was a heavy cannabis user…He said he had 'displayed psychotic symptoms and episodes due to cannabis misuse.'
The judge went on: 'I do not need a professional to tell me you are dangerous. Anyone who could do that to a child is dangerous. The appropriate sentence is life imprisonment. Any other sentence would not be adequate to reflect what happened.'